BU31TC3WNVX-TR全新原装原理图各脚功能电路原理芯片引脚定义-中国IC网-芯三七

CMOS LDO Regulators for Portable Equipments

1ch 200mA

CMOS LDO Regulators

BU□□TD2WNVX series

No.11020ECT07

●Description

BUTD2WNVX series is high-performance FULL CMOS regulator with 200-mA output, which is mounted on micro

miniature package SSON004X1010 (1.0 mm  1.0 mm  0.6 mm). It has excellent noise characteristics and load

responsiveness characteristics despite its low circuit current consumption of 35µA. It is most appropriate for various

applications such as power supplies for logic IC, RF, and camera modules. Micro miniature SSON004X1010 with built-in

heatsink is adopted for the package, which contributes to the space-saving design of the set.

●Features

1) High-accuracy output voltage of 1% (25 mV on Vout<2.5V products)

2) High ripple rejection: 70 dB (Typ., 1 kHz,)

3) Compatible with small ceramic capacitor (CIN=Co=0.47 µF)

4) Low current consumption: 35 µA

5) ON/OFF control of output voltage

6) With built-in overcurrent protection circuit and thermal shutdown circuit

7) With built-in output discharge circuit

8) Adopting ultra-small package SSON004X1010

●Applications

Battery-powered portable equipment, etc.

●Line up

■200 mA BU□□TD2WNVX Series

Product Name

1.0

1.2

1.5

1.8

1.85

1.9

2.0

2.05

2.1

2.3

2.5

Package

○

2.6

○

2.7

○

2.8

○

2.85

○

2.9

○

3.0

○

3.1

○

3.2

○

3.3

○

3.4

○

BU□□TD2WNVX

SSON004X1010

Model name：BU□□TD2WNVX

a

Contents

Specification of output voltage

Symbol

Output voltage

(V)

Output voltage

(V)

Output voltage

(V)

□□

(V)

10

12

15

18

1J

19

1.0 V(Typ.)

20

2A

21

23

25

26

2.0 V(Typ.)

2.05 V(Typ.)

2.1 V(Typ.)

2.3V(Typ.)

2.5 V(Typ.)

2.6 V(Typ.)

27

28

2J

29

30

31

2.7 V(Typ.)

2.8 V(Typ.)

2.85 V(Typ.)

2.9 V(Typ.)

3.0 V(Typ.)

3.1 V(Typ.)

32

33

34

3.2 V(Typ.)

3.3 V(Typ.)

3.4 V(Typ.)

1.2 V(Typ.)

1.5 V(Typ.)

1.8 V(Typ.)

1.85 V(Typ.)

1.9 V(Typ.)

a

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Absolute maximum ratings

Parameter

Symbol

VMAX

Pd

Ratings

-0.3 ~ +6.5

560^(*1)

Unit

V

Maximum applied power voltage

Power dissipation

mW

℃

Maximum junction temperature

Operational temperature range

Storage temperature range

TjMAX

Topr

+125

-40 ~ +85

-55 ~ +125

℃

Tstg

℃

(*1) When PCB (70 mm  70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented.

Reduced to 5.6 mW/℃ when used at Ta=25℃ or higher.

●Recommended operating range (Do not exceed Pd.)

Parameter

Symbol

VIN

Ratings

1.7 ~ 5.5

200

Unit

V

Input power supply voltage

Maximum output current

IMAX

mA

●Recommended operating conditions

Ratings

Typ.

Parameter

Symbol

CIN

Unit

µF

Conditions

Min.

Max.

Input capacitor

0.22^(*2)

0.47

－

A ceramic capacitor is recommended.

Output capacitor

CO

0.22^(*2)

－

µF

(*2) Set the capacity value of the capacitor so that it does not fall below the minimum value, taking temperature characteristics,

DC device characteristics, and change with time into consideration.

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Electrical characteristics(Ta=25℃, VIN=VOUT+1.0V^(*3), STBY=VIN, C_IN=0.47μF, C_O=0.47μF, unless otherwise noted.)

Limits

Parameter

Overall Device

Symbol

Unit

Conditions

Min.

Typ.

Max.

VOUT

×0.99

VOUT

-25mV

VOUT

×1.01

VOUT

+25mV

IOUT=10µA,VOUT≧2.5V

IOUT=10µA,VOUT＜2.5V

IOUT=0mA

Output Voltage

VOUT

V

Operating Current

IIN

ISTBY

RR

-

35

-

60

1.0

-

µA

Operating Current (STBY)

Ripple Rejection Ratio

STBY=0V

45

-

70

dB

VRR=-20dBv,fRR=1kHz,IOUT=10mA

2.5V≦VOUT≦2.6V

(VIN=0.98*VOUT,IOUT=200mA)

280

260

240

220

2

540

500

460

420

20

mV

2.7V≦VOUT≦2.85V

(VIN=0.98*VOUT,IOUT=200mA)

-

Dropout Voltage

Line Regulation

VSAT

2.9V≦VOUT≦3.1V

(VIN=0.98*VOUT,IOUT=200mA)

-

3.2V≦VOUT≦3.4V

(VIN=0.98*VOUT,IOUT=200mA)

VIN=VOUT+1.0V to 5.5V^(*4)

IOUT=10µA

-

VDL

-

Load Regulation

VDLO

-

10

80

mV IOUT=0.01mA to 100mA

Over-current Protection (OCP)

Limit Current

ILMAX

220

20

400

70

700

150

mA Vo=VOUT*0.95

mA Vo=0V

Short Current

ISHORT

Standby Block

Discharge Resistor

RDSC

ISTB

20

0.1

1.2

-0.3

50

0.6

-

80

2.0

5.5

0.3

Ω

µA

V

VIN=4.0V, STBY=0V, VOUT=4.0V

STBY=1.5V

STBY Pin Pull-down Current

ON

VSTBH

STBY Control Voltage

OFF VSTBL

-

V

* This product does not have radiation-proof design.

(*3) VIN=2.5V for VOUT≦1.5V

(*4) VIN=2.5V to 5.5V for VOUT≦1.5V

●Electrical characteristics of each Output Voltage

(Ta=25℃, STBY=VIN, C_IN=0.47μF, Co=0.47μF, unless otherwise noted.)

Limits

Parameter

1.2V

Symbol

Unit

Conditions

Min.

80

Typ.

160

Max.

-

VIN=1.7V

VIN=2.1V

VIN=1.8V

VIN=2.2V

VIN=2.4V

VIN=2.5V

200

60

-

120

Maximum

output current

1.5V

mA

200

-

1.8V

1.9V

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Block diagram, recommended circuit diagram, and pin configuration diagram

BU□□TD2WNVX

VIN

4

PIN No. Symbol

Function

Voltage output

Grounding

VREF

VOUT

Co

Cin

VOUT

1

2

3

4

VOUT

GND

STBY

VIN

2

OCP

GND

VSTBY

TSD

ON/OFF control of output voltage

(High: ON, Low: OFF)

STBY

Discharge

STBY

3

Power input

Recommended ceramic capacitor for Cin & Co

Murata Manufacturing Co., Ltd.

GRM188B11A474KA61D

Fig.1 Recommended circuit diagram

●Input / Output terminal equivalent circuit schematic

1pin (VOUT)

2pin (GND)

3pin (STBY)

4pin (VIN)

Fig.2 Input/Output equivalent circuit

●About input/output capacitor

It is recommended to place a capacitor as close as possible to

the pins between the input terminal and GND or between the

output terminal and GND.

Capacity value of ceramic capacitor - DC bias characteristics

(Example)

10-V withstand voltage

B1characteristics

GRM188B11A105KA61D

10

0

The capacitor between the input terminal and GND becomes

valid when source impedance increases or when wiring is long.

The larger the capacity of the output capacitor between the

output terminal and GND is, the better the stability and

characteristics in output load fluctuation become.

However, please check the status of actual implementation.

Ceramic capacitors generally have variation, temperature

characteristics, and direct current bias characteristics and the

capacity value also decreases with time depending on the

usage conditions. It is recommended to select a ceramic

capacitor upon inquiring about detailed data of the related

manufacturer.

10-V withstand voltage

B characteristics

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

6.3-V withstand voltage

B characteristics

10-V withstand voltage

F characteristics

4-V withstand voltage

X6S characteristics

10-V withstand voltage

F characteristics

0

0.5

1

1.5

2

2.5

3

3.5

4

DC Bias Voltage [V]

Fig.3 Capacity – bias characteristics

●About the equivalent series resistance (ESR) of a ceramic capacitor

Cout=0.47μF ,C_IN=0.47μF ,Temp=+25℃

Capacitors generally have ESR (equivalent series resistance)

and it operates stably in the ESR-IOUT area shown on the right.

Since ceramic capacitors, tantalum capacitors, electrolytic

capacitors, etc. generally have different ESR, please check the

ESR of the capacitor to be used and use it within the stability

area range shown in the right graph for evaluation of the actual

application.

100

Unstable region

10

1

Stable region

0.1

0.01

0

50

100

150

200

IOUT [mA]

Fig.4 Stability area characteristics (Example)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU12TD2WNVX (Ta=25℃ unless otherwise specified.)

1.4

100

80

60

40

20

0

1.25

Temp=25°C

1.24

VIN=STBY

Io=0uA

1.2

1.23

1.0

Temp=85°

Temp=25°C

Temp=-40°C

1.22

1.21

0.8

Io=0uA

1.20

1.19

1.18

1.17

1.16

1.15

0.6

0.4

0.2

0.0

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

VIN=STBY

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

0.2

1.5

85

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Input Voltage (V)

Fig.5. Output Voltage

Fig.6. Line Regulation

Fig.7. Circuit Current IGND

1.25

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=2.5V

1.24

1.23

1.22

1.21

1.20

1.19

1.18

1.17

1.16

1.15

VIN=2.5V

STBY=1.5V

Temp=85°C

Temp=25°C

Temp=85°C

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

0

0.05

0.1

0.15

0.2

Input Voltage (V)

Output Current (A)

Fig.8. VSTBY - ISTBY

Fig.9. IOUT - IGND

Fig.10. Load Regulation

1.4

1.25

1.24

1.23

1.22

1.21

1.20

1.19

1.18

1.17

1.16

1.15

1.5

1.0

0.5

0.0

Temp=25°C

VIN=2.5V

STBY=1.5V

Io=0.1mA

VIN=2.5V

Io=0mA

1.2

1.0

0.8

0.6

0.4

0.2

0.0

VIN=2.5V

VIN=5.5V

VIN=1.7V

Temp=25°C

Temp=-40°C

Temp=85°C

STBY=1.5V

0.5 0.6

0

0.5

1

0

0.1

0.2

0.3

0.4

-40

-15

10

35

60

85

STBY Voltage (V)

Output Current (A)

Temp (°C)

Fig.11. OCP Threshold

Fig.12. STBY Threshold

Fig.13. VOUT - Temp

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=2.5V

STBY=1.5V

Io=0mA

VIN=2.5V

STBY=0V

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

-40

-15

10

35

60

85

Temp (°C)

Fig.14. IGND vs Temp

Fig.15. IGND - Temp (STBY)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU12TD2WNVX (Ta=25 ℃unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

1.30

1.25

1.20

1.15

1.10

Fig.17. Load Response

Fig.16. Load Response

100

50

0

IOUT=0mA→100mA

50

0

IOUT=100mA→0mA

1.30

1.25

1.20

1.25

1.20

1.15

1.10

Fig.19. Load Response

Fig.18. Load Response

200

IOUT=0mA→200mA

100

0

100

IOUT=200mA→0mA

0

1.40

1.30

1.20

1.10

1.00

Fig.21. Load Response

Fig.20. Load Response

100

50

0

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

1.25

1.20

1.25

1.20

1.15

1.10

1.15

1.10

Fig.22. Load Response

Fig.23. Load Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU12TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

2.0

1.0

2.0

1.0

0.0

Fig.24. Start Up Time

Iout=0mA

Fig.25. Start Up Time

Iout=200mA

4.0

2.0

0.0

4.0

2.0

VIN=STBY=0→2.5V

0.0

2.0

1.0

2.0

1.0

0.0

Fig.26. Start Up Time

(VIN=STBY) Iout=0mA

Fig.27. Start Up Time

(VIN=STBY) Iout=200mA

2.0

1.0

4.5

3.5

2.5

VIN=2.5V→3.5V→2.5V

STBY=1.5→0V

0.0

2.0

1.0

1.21

1.20

0.0

1.19

1.18

Fig.28. Discharge Time

Fig.29. VIN Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU15TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

100

80

60

40

20

0

1.55

1.54

1.53

1.52

1.51

1.50

1.49

1.48

1.47

1.46

1.45

Temp=25°C

VIN=STBY

IO=0uA

VIN=STBY

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

85

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

Input Voltage (V)

Fig.32. Circuit Current IGND

Fig.30. Output Voltage

Fig.31. Line Regulation

1.55

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=2.5V

STBY=1.5V

1.54

1.53

1.52

1.51

STBY=1.5V

Temp=85°C

Temp=25°C

Temp=85°C

1.50

1.49

1.48

1.47

1.46

1.45

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

0.05

0

0.1

0.15

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

0.2

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.33. VSTBY - ISTBY

Fig.34. IOUT - IGND

Fig.35. Load Regulation

1.55

1.54

1.53

1.52

1.51

1.50

1.49

2.0

1.8

1.6

1.4

1.2

2.0

1.5

1.0

VIN=2.5V

STBY=1.5V

Io=0.1mA

Temp=25°C

VIN=3.8V

Io=0mA

VIN=2.5V

VIN=2.0V

VIN=5.5V

1.0

0.8

0.6

0.4

0.2

0.0

Temp=25°C

1.48

1.47

Temp=-40°C

Temp=85°C

0.5

0.0

1.46

1.45

STBY=1.5V

0.5

0

0.1

0.2

0.3

0.4

0.6

0

0.5

1

1.5

-40

-15

10

35

60

Output Current (A)

Temp (°C)

STBY Voltage (V)

Fig.37. STBY Threshold

Fig.38. VOUT - Temp

Fig.36. OCP Threshold

1.0

0.9

0.8

0.7

0.6

60

50

40

30

20

10

0

VIN=2.5V

STBY=1.5V

Io=0mA

VIN=2.5V

STBY=0V

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

85

-40

-15

10

35

60

85

Temp (°C)

Fig.39. IGND vs Temp

Fig.40. IGND vs Temp (STBY)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU15TD2WNVX (Ta=25℃ unless otherwise specified.)

10

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

1.55

1.50

0

1.60

1.30

1.55

1.25

1.45

1.40

1.50

1.20

1.45

1.15

Fig.42. Load Response

Fig.41. Load Response

100

50

0

100

50

0

IOUT=0mA→100mA

IOUT=100mA→0mA

1.55

1.50

1.60

1.55

1.45

1.40

1.50

1.45

Fig.43. Load Response

Fig.44. Load Response

200

100

0

200

IOUT=0mA→200mA

100

0

IOUT=200mA→0mA

1.60

1.50

1.70

1.60

1.50

1.40

1.30

Fig.45. Load Response

Fig.46. Load Response

100

50

0

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

1.55

1.60

1.50

1.45

1.40

1.55

1.50

1.45

Fig.48. Load Response

Fig.47. Load Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU15TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

2.0

1.0

0.0

Fig.50. Start Up Time

Iout=200mA

Fig.49. Start Up Time

Iout=0mA

4.0

2.0

0.0

4.0

2.0

VIN=STBY=0→2.5V

0.0

2.0

1.0

2.0

1.0

0.0

Fig.51. Start Up Time

(VIN=STBY) Iout=0mA

Fig.52. Start Up Time

(VIN=STBY) Iout=200mA

4.5

2.0

1.0

VIN=2.5V→3.5V→2.5V

3.5

2.5

STBY=1.5→0V

0.0

1.51

1.50

2.0

1.0

1.49

1.48

0.0

Fig.53. Discharge Time

Fig.54. VIN Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU18TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

1.85

1.84

1.83

1.82

1.81

1.80

1.79

1.78

1.77

1.76

1.75

100

80

60

40

20

0

Temp=25°C

VIN=STBY

Io=0uA

VIN=STBY

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

VIN=STBY

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

85

Input Voltage (V)

Fig.55. Output Voltage

Fig.56. Line Regulation

Fig.57. Circuit Current IGND

1.85

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=2.8V

1.84

1.83

1.82

1.81

STBY=1.5V

Temp=85°C

Temp=25°C

Temp=85°C

1.80

1.79

1.78

1.77

1.76

1.75

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

0.05

0

0.1

0.15

0

0.05

0.1

0.15

0.2

1.5

85

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Output Current (A)

Input Voltage (V)

Fig.60. Load Regulation

Fig.58. VSTBY - ISTBY

Fig.59. IOUT - IGND

1.85

1.84

1.83

1.82

1.81

1.80

1.79

1.78

1.77

1.76

1.75

2.0

1.8

1.6

1.4

1.2

2.0

VIN=2.8V

STBY=1.5V

Io=0.1mA

VIN=3.8V

Io=0mA

VIN=2.8V

1.5

1.0

0.5

0.0

VIN=5.5V

VIN=2.3V

1.0

0.8

0.6

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=25°C

STBY=1.5V

0

0.5

1

-40

-15

10

35

60

0.0

0.1

0.2

0.3

0.4

0.5

0.6

Temp (°C)

STBY Voltage (V)

Output Current (mA)

Fig.63. VOUT - Temp

Fig.62. STBY Threshold

Fig.61. OCP Threshold

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=2.8V

STBY=1.5V

Io=0mA

VIN=2.8V

STBY=0V

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

85

-40

-15

10

35

60

Temp (°C)

Fig.64. IGND - Temp

Fig.65. IGND - Temp (STBY)

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2011.07 - Rev.C

11/41

Technical Note

BU□□TD2WNVX series

●Reference data BU18TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

1.90

1.85

1.80

1.75

1.70

VIN=2.8V

STBY=1.5V

COUT=0.47uF

Fig.67. Load Response

Fig.66. Load Response

100

50

0

100

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

1.85

1.80

1.90

1.85

1.75

1.70

1.80

1.75

VIN=2.8V

STBY=1.5V

COUT=0.47uF

Fig.69. Load Response

Fig.68. Load Response

200

100

0

200

IOUT=0mA→200mA

100

0

IOUT=200mA→0mA

2.00

1.90

1.80

1.70

1.60

VIN=2.8V

STBY=1.5V

COUT=0.47uF

Fig.71. Load Response

Fig.70. Load Response

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

50

0

1.85

1.80

1.90

1.80

1.75

1.70

1.60

VIN=2.8V

STBY=1.5V

COUT=0.47uF

Fig.72. Load Response

Fig.73. Load Response

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2011.07 - Rev.C

12/41

Technical Note

BU□□TD2WNVX series

●Reference data BU18TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

STBY=0→1.5V

1.0

0.0

2.0

1.0

2.0

1.0

0.0

Fig.74. Start Up Time

Iout=0mA

Fig.75. Start Up Time

Iout=200mA

4.0

2.0

0.0

4.0

VIN=STBY=2.8→0V

VIN=STBY=0→2.8V

2.0

0.0

2.0

1.0

2.0

1.0

0.0

Fig.77. Start Up Time

(VIN=STBY) Iout=200mA

Fig.76. Start Up Time

(VIN=STBY) Iout=0mA

Iout=0mA

2.0

1.0

0.0

4.8

VIN=2.8V→3.8V→2.8V

3.8

2.8

STBY=1.5→0V

1.81

1.80

2.0

1.0

1.79

1.78

0.0

Fig.79. VIN Response

Fig.78. Discharge Time

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2011.07 - Rev.C

13/41

Technical Note

BU□□TD2WNVX series

●Reference data BU19TD2WNVX (Ta=25℃ unless otherwise specified.)

1.95

2.0

100

80

Temp=25°C

1.94

1.93

1.92

1.91

1.90

1.89

1.88

1.87

1.86

1.85

Temp=25°C

IO=0uA

VIN=STBY

1.8

1.6

1.4

1.2

1.0

Io=0uA

Temp=85°C

Temp=25°C

Io=100uA

Io=50mA

Io=200mA

60

0.8

0.6

40

20

Io=0uA

Io=100uA

Io=50mA

Io=200mA

0.4

0.2

0.0

Temp=-40°C

VIN=STBY

2.4 2.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

85

1.8

1.9

2

2.1

2.2

2.3

Input Voltage (V)

Fig.82. Circuit Current IGND

Fig.80. Output Voltage

Fig.81. Line Regulation

1.95

1.94

1.93

1.92

1.91

1.90

1.89

1.88

1.87

1.86

1.85

1.6

1.4

1.2

1.0

0.8

0.6

100

VIN=2.9V

VIN=3.9V

STBY=1.5V

Temp=85°C

80

60

40

20

0

Temp=85°C

Temp=25°C

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

0

0.05

0.1

0.15

0.2

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.84. IOUT - IGND

Fig.85. Load Regulation

Fig.83. VSTBY - ISTBY

1.95

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

2.0

VIN=2.9V

STBY=1.5V

Io=100µA

1.94

1.93

1.92

1.91

1.90

1.89

1.88

1.87

1.86

1.85

VIN=3.9V

Io=0mA

VIN=5.5V

VIN=2.9V

VIN=2.4V

1.5

1.0

0.5

0.0

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=25°C

STBY=1.5V

0

0.5

1

1.5

-40

-15

10

35

60

0

0.1

0.2

0.3

0.4

0.5

0.6

STBY Voltage (V)

Temp (°C)

Output Current (A)

Fig.86. OCP Threshold

Fig.87. STBY Threshold

Fig.88. VOUT - Temp

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=2.9V

STBY=0V

STBY=1.5V

Io=0µA

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

85

-40

-15

10

35

60

85

Temp (°C)

Fig.90. IGND - Temp (STBY)

Fig.89. IGND - Temp

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2011.07 - Rev.C

14/41

Technical Note

BU□□TD2WNVX series

●Reference data BU19TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

2.00

1.95

1.90

1.85

1.80

Fig.91. Load Response

Fig.92. Load Response

100

50

0

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

1.95

2.00

1.95

1.90

1.85

1.80

1.90

1.85

Fig.93. Load Response

Fig.94. Load Response

200

100

0

200

IOUT=0mA→200mA

100

IOUT=200mA→0mA

0

2.10

2.00

1.90

1.80

1.70

1.90

1.80

Fig.96. Load Response

Fig.95. Load Response

100

50

0

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

2.00

1.95

1.90

1.85

1.80

Fig.98. Load Response

Fig.97. Load Response

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2011.07 - Rev.C

15/41

Technical Note

BU□□TD2WNVX series

●Reference data BU19TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

2.0

1.0

2.0

1.0

0.0

Fig.100. Start Up Time

Iout=200mA

Fig.99. Start Up Time

Iout=0mA

4.0

2.0

0.0

VIN=STBY=0→2.9V

2.0

0.0

2.0

1.0

2.0

1.0

0.0

Fig.102. Start Up Time

(VIN=STBY) Iout=200mA

Fig.101. Start Up Time

(VIN=STBY) Iout=0mA

4.9

3.9

2.9

2.0

1.0

0.0

VIN=2.9V→3.9V→2.9V

STBY=1.5→0V

1.91

1.90

2.0

1.0

1.89

1.88

0.0

Fig.104. VIN Response

Fig.103. Discharge Time

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2011.07 - Rev.C

16/41

Technical Note

BU□□TD2WNVX series

●Reference data BU25TD2WNVX (Ta=25℃ unless otherwise specified.)

3.5

2.55

2.54

2.53

2.52

2.51

2.50

100

80

60

40

20

0

Temp=25°C

IO=0uA

VIN=STBY

3.0

2.5

2.0

1.5

1.0

0.5

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

2.49

2.48

2.47

2.46

2.45

Temp=-40°C

VIN=STBY

3

VIN=STBY

4.5 5

0.0

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

5.5

2.4

2.5

2.6

2.7

2.8

2.9

3.1

Input Voltage (V)

Fig.105. Output Voltage

Fig.106. Line Regulation

Fig.107. Circuit Current IGND

1.6

1.4

1.2

1.0

0.8

0.6

2.55

100

80

60

40

20

0

VIN=3.5V

2.54

2.53

2.52

2.51

2.50

VIN=3.5V

STBY=1.5V

Temp=85°C

Temp=25°C

2.49

2.48

2.47

2.46

2.45

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=85°C

0.15

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

0.2

0

0.05

0.1

0.2

1.5

85

Input Voltage (V)

Output Current (A)

Fig.108. VSTBY - ISTBY

Fig.110. Load Regulation

Fig.109. IOUT - IGND

0.35

3.0

2.5

2.0

1.5

1.0

0.5

0.0

3.0

2.5

2.0

1.5

1.0

0.5

0.0

Temp=25°C

VIN=3.5V

Io=0mA

VIN=3.5V

VIN=3.0V

0.30

0.25

0.20

0.15

0.10

0.05

Temp=85°C

Temp=25°C

VIN=5.5V

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

VIN = 0.98 x VOUT

STBY=1.5V

0.5 0.6

0.00

0

0.1

0.2

0.3

0.4

0

0.5

1

0

0.05

0.1

0.15

0.2

Output Current (A)

STBY Voltage (V)

Fig.111. Dropout Voltage

Fig.112. OCP Threshold

Fig.113. STBY Threshold

2.55

2.54

2.53

2.52

60

50

40

30

20

10

0

1.0

VIN=3.5V

STBY=1.5V

Io=0.1mA

VIN=3.5V

STBY=1.5V

Io=0mA

0.9

0.8

0.7

0.6

VIN=3.5V

STBY=0V

2.51

2.50

0.5

0.4

0.3

0.2

0.1

0.0

2.49

2.48

2.47

2.46

2.45

-40

-15

10

35

60

85

-40

-15

10

35

60

85

-40

-15

10

35

60

Temp (°C)

Fig.116. IGND - Temp (STBY)

Fig.114. VOUT - Temp

Fig.115. IGND - Temp

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2011.07 - Rev.C

17/41

Technical Note

BU□□TD2WNVX series

●Reference data BU25TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

2.70

2.65

2.55

2.50

2.45

2.40

Fig.118. Load Response

Fig.117. Load Response

100

200

100

0

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

2.55

2.50

2.60

2.55

2.45

2.40

2.50

2.45

Fig.119. Load Response

Fig.120. Load Response

200

100

0

IOUT=0mA→200mA

100

IOUT=200mA→0mA

0

2.60

2.70

2.60

2.50

2.40

2.30

2.50

2.40

Fig.121. Load Response

Fig.122. Load Response

100

50

0

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

2.0

2.55

2.50

2.55

2.50

2.45

2.40

Fig.124. Load Response

Fig.123. Load Response

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2011.07 - Rev.C

18/41

Technical Note

BU□□TD2WNVX series

●Reference data BU25TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.125. Start Up Time

Iout=0mA

Fig.126. Start Up Time

Iout=200mA

4.0

2.0

0.0

VIN=STBY=0→3.5V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.128. Start Up Time

(VIN=STBY) Iout=200mA

Fig.127. Start Up Time

(VIN=STBY) Iout=0mA

2.0

5.5

VIN=3.5V→4.5V→3.5V

STBY=1.5→0V

1.0

0

4.5

3.5

2.51

2.50

4.0

2.0

2.49

2.48

0.0

Fig.129. Discharge Time

Fig.130. VIN Response

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2011.07 - Rev.C

19/41

Technical Note

BU□□TD2WNVX series

●Reference data BU26TD2WNVX (Ta=25℃ unless otherwise specified.)

2.65

2.64

2.63

2.62

2.61

2.60

2.59

2.58

2.57

2.56

2.55

3.0

2.5

2.0

1.5

1.0

0.5

0.0

100

80

60

40

20

0

Temp=25°C

IO=0uA

Temp=25°C

VIN=STBY

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

VIN=STBY

2.5

2.6

2.7

2.8

2.9

3

3.1

3.2

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

1.5

85

Input Voltage (V)

Fig.133. Circuit Current IGND

Fig.132. Line Regulation

Fig.131. Output Voltage

2.65

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=3.6V

2.64

STBY=1.5V

Temp=85°C

2.63

2.62

Temp=25°C

Temp=85°C

2.61

2.60

2.59

2.58

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

2.57

Temp=-40°C

2.56

2.55

Temp=85°C

0.15

0

0.05

0.1

0.15

0.2

0.6

85

0

0.05

0.1

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Output Current (A)

Input Voltage (V)

Fig.135. IOUT - IGND

Fig.136. Load Regulation

Fig.134. VSTBY - ISTBY

0.35

3.0

2.5

2.0

1.5

1.0

0.5

0.0

3.0

2.5

2.0

1.5

1.0

0.5

0.0

Temp=25°C

VIN=3.6V

Io=0mA

0.30

0.25

0.20

0.15

0.10

0.05

VIN=3.1V

VIN=3.6V

Temp=85°C

VIN=5.5V

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

VIN = 0.98 x VOUT

STBY=1.5V

0.5

0.00

0

0.05

0.1

0.15

0.2

0

0.1

0.2

0.3

0.4

0

0.5

1

Output Current (A)

STBY Voltage (V)

Fig.138. OCP Threshold

Fig.139. STBY Threshold

Fig.137. Dropout Voltage

2.65

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=3.6V

2.64

2.63

2.62

VIN=3.6V

STBY=1.5V

Io=0mA

STBY=1.5V

Io=0.1mA

VIN=3.6V

STBY=0V

2.61

2.60

2.59

0.5

0.4

0.3

0.2

0.1

0.0

2.58

2.57

2.56

2.55

-40

-15

10

35

60

85

-40

-15

10

35

60

-40

-15

10

35

60

Temp (°C)

Fig.140. VOUT - Temp

Fig.141. IGND - Temp

Fig.142. IGND - Temp (STBY)

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2011.07 - Rev.C

20/41

Technical Note

BU□□TD2WNVX series

●Reference data BU26TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

2.65

2.60

2.70

2.65

2.55

2.50

2.60

2.55

Fig.143. Load Response

Fig.144. Load Response

100

50

0

100

IOUT=100mA→0mA

IOUT=0mA→100mA

50

0

2.70

2.65

2.60

2.65

2.60

2.55

2.50

Fig.146. Load Response

Fig.145. Load Response

200

100

0

200

IOUT=0mA→200mA

100

0

IOUT=200mA→0mA

2.70

2.60

2.80

2.70

2.50

2.40

2.60

2.50

Fig.147. Load Response

Fig.148. Load Response

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

2.65

2.60

2.62

2.61

2.60

2.59

2.55

2.50

Fig.150. Load Response

Fig.149. Load Response

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2011.07 - Rev.C

21/41

Technical Note

BU□□TD2WNVX series

●Reference data BU26TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.151. Start Up Time

Iout=0mA

Fig.152. Start Up Time

Iout=200mA

4.0

2.0

0.0

4.0

VIN=STBY=0→3.6V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.153. Start Up Time

(VIN=STBY) Iout=0mA

Fig.154. Start Up Time

(VIN=STBY) Iout=200mA

5.6

4.6

3.6

2.0

1.0

0.0

VIN=3.6V→4.6V→3.6V

STBY=1.5→0V

2.65

2.60

2.55

4.0

2.0

0.0

Fig.155. Discharge Time

Fig.156. VIN Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU27TD2WNVX (Ta=25℃ unless otherwise specified.)

3.0

2.5

2.0

1.5

1.0

0.5

0.0

2.75

2.74

2.73

2.72

2.71

2.70

2.69

2.68

2.67

2.66

2.65

100

80

Temp=25°C

IO=0uA

Temp=25°C

VIN=STBY

60

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

40

20

0

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

VIN=STBY

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

2.6

2.7

2.8

2.9

3

3.1

3.2

3.3

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

1.5

85

Input Voltage (V)

Fig.157. Output Voltage

Fig.158. Line Regulation

Fig.159. Circuit Current IGND

2.75

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=3.7V

2.74

STBY=1.5V

Temp=85°C

2.73

2.72

Temp=85°C

Temp=25°C

2.71

2.70

2.69

2.68

2.67

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=-40°C

0.05

2.66

2.65

0

0.05

0.1

0.15

0.2

0

0.1

0.15

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

85

Output Current (A)

Input Voltage (V)

Fig.161. IOUT - IGND

Fig.160. VSTBY - ISTBY

Fig.162. Load Regulation

3.0

2.5

2.0

1.5

1.0

0.5

0.0

0.35

0.30

0.25

0.20

3.0

2.5

2.0

1.5

1.0

0.5

0.0

VIN=3.7V

Io=0mA

VIN=3.1V

VIN=5.5V

Temp=85°C

VIN=3.6V

Temp=25°C

Temp=-40°C

0.15

0.10

0.05

0.00

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=25°C

VIN = 0.98 x VOUT

STBY=1.5V

0.5 0.6

0

0.1

0.2

0.3

0.4

0

0.05

0.1

0.15

0

0.5

1

Output Current (A)

STBY Voltage (V)

Fig.163. Dropout Voltage

Fig.164. OCP Threshold

Fig.165. STBY Threshold

2.75

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=3.7V

STBY=1.5V

Io=0.1mA

2.74

2.73

2.72

2.71

VIN=3.7V

STBY=0V

STBY=1.5V

Io=0.1mA

2.70

2.69

2.68

2.67

0.5

0.4

0.3

0.2

0.1

0.0

2.66

2.65

-40

-15

10

35

60

-40

-15

10

35

60

85

-40

-15

10

35

60

Temp (°C)

Fig.166. VOUT - Temp

Fig.167. IGND - Temp

Fig.168. IGND - Temp (STBY)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU27TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

2.80

2.75

2.70

2.65

2.60

Fig.170. Load Response

Fig.169. Load Response

100

50

0

100

IOUT=0mA→100mA

50

0

IOUT=100mA→0mA

2.80

2.75

2.70

2.65

2.60

Fig.172. Load Response

Fig.171. Load Response

200

100

0

IOUT=0mA→200mA

100

IOUT=200mA→0mA

0

2.80

2.70

2.90

2.80

2.60

2.50

2.70

2.60

Fig.173. Load Response

Fig.174. Load Response

100

50

0

100

IOUT=100mA→50mA

IOUT=50mA→100mA

50

0

2.80

2.75

2.70

2.65

2.60

Fig.176. Load Response

Fig.175. Load Response

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2011.07 - Rev.C

24/41

Technical Note

BU□□TD2WNVX series

●Reference data BU27TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

1.0

STBY=0→1.5V

0.0

4.0

2.0

4.0

2.0

0.0

Fig.178. Start Up Time

Iout=200mA

Fig.177. Start Up Time

Iout=0mA

4.0

2.0

0.0

4.0

VIN=STBY=0→3.7V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.180. Start Up Time

(VIN=STBY) Iout=200mA

Fig.179. Start Up Time

(VIN=STBY) Iout=0mA

5.7

4.7

3.7

2.0

1.0

STBY=1.5→0V

0.0

2.71

2.70

4.0

2.0

2.69

2.68

0.0

Fig.181. Discharge Time

Fig.182. VIN Response

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2011.07 - Rev.C

25/41

Technical Note

BU□□TD2WNVX series

●Reference data BU28TD2WNVX (Ta=25℃ unless otherwise specified.)

3.0

2.5

2.0

1.5

1.0

0.5

0.0

2.85

2.84

2.83

2.82

2.81

2.80

2.79

2.78

2.77

2.76

2.75

100

80

Temp=25°C

VIN=STBY

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=85°C

Temp=25°C

60

Io=0uA

Io=100uA

Io=50mA

Io=200mA

40

20

0

VIN=STBY

Temp=-40°C

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Input Voltage (V)

Fig.183. Output Voltage

Fig.184. Line Regulation

Fig.185. Circuit Current IGND

2.85

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=3.8V

2.84

STBY=1.5V

Temp=85°C

2.83

2.82

Temp=25°C

Temp=85°C

2.81

2.80

2.79

2.78

2.77

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=85°C

2.76

Temp=-40°C

2.75

0

0.05

0.1

0.15

0.2

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

0.2

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.186. VSTBY - ISTBY

Fig.188. Load Regulation

Fig.187. IOUT - IGND

3.0

2.5

2.0

1.5

1.0

0.5

0.0

0.35

0.30

0.25

0.20

3.0

2.5

2.0

1.5

1.0

0.5

0.0

VIN=3.8V

Io=0mA

VIN=3.3V

VIN=3.8V

VIN=5.5V

Temp=85°C

Temp=25°C

0.15

0.10

0.05

0.00

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

VIN = 0.98 x VOUT

STBY=1.5V

0.5 0.6

0

0.1

0.2

0.3

0.4

0

0.05

0.1

0.15

0.2

0

0.5

1

1.5

Output Current (A)

STBY Voltage (V)

Fig.189. Dropout Voltage

Fig.190. OCP Threshold

Fig.191. STBY Threshold

2.85

60

50

40

1.0

VIN=3.8V

STBY=0V

VIN=3.8V

STBY=1.5V

Io=0mA

2.84

2.83

2.82

2.81

0.9

0.8

0.7

0.6

STBY=1.5V

Io=0.1mA

2.80

2.79

2.78

2.77

30

20

10

0

0.5

0.4

0.3

0.2

0.1

0.0

2.76

2.75

-40

-15

10

35

60

85

-40

-15

10

35

60

85

-40

-15

10

35

60

85

Temp (°C)

Fig.193. IGND - Temp

Fig.194. IGND - Temp (STBY)

Fig.192. VOUT - Temp

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU28TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

0

2.90

2.85

2.80

2.75

2.70

Fig.196. Load Response

Fig.195. Load Response

100

50

0

100

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

2.90

2.85

2.80

2.75

2.70

Fig.198. Load Response

Fig.197. Load Response

200

100

0

200

IOUT=0mA→200mA

100

IOUT=200mA→0mA

0

3.00

2.90

2.80

2.70

2.60

Fig.200. Load Response

Fig.199. Load Response

100

50

0

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

2.85

2.80

2.90

2.85

2.80

2.75

2.70

Fig.202. Load Response

Fig.201. Load Response

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2011.07 - Rev.C

27/41

Technical Note

BU□□TD2WNVX series

●Reference data BU28TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

STBY=0→1.5V

1.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.203. Start Up Time

Iout=0mA

Fig.204. Start Up Time

Iout=200mA

4.0

2.0

0.0

4.0

2.0

0.0

VIN=STBY=0→3.8V

4.0

2.0

4.0

2.0

0.0

Fig.206. Start Up Time

(VIN=STBY) Iout=200mA

Fig.205. Start Up Time

(VIN=STBY) Iout=0mA

5.8

2.0

1.0

0.0

VIN=3.8→4.8V→3.8V

4.8

3.8

STBY=1.5→0V

2.81

2.80

4.0

2.0

2.79

2.78

0.0

Fig.208. VIN Response

Fig.207. Discharge Time

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2011.07 - Rev.C

28/41

Technical Note

BU□□TD2WNVX series

●Reference data BU30TD2WNVX (Ta=25℃ unless otherwise specified.)

3.05

3.04

3.03

3.02

3.01

3.00

2.99

2.98

2.97

2.96

2.95

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

100

80

60

40

20

0

Temp=25°C

VIN=STBY

Io=0uA

VIN=STBY

Temp=85°C

Temp=25°C

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

VIN=STBY

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0.2

Input Voltage (V)

Fig.209. Output Voltage

Fig.210. Line Regulation

Fig.211. Circuit Current IGND

3.05

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=4.0V

3.04

STBY=1.5V

Temp=85°C

3.03

3.02

Temp=25°C

Temp=85°C

3.01

3.00

2.99

2.98

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

2.97

Temp=-40°C

2.96

2.95

Temp=85°C

0.15

0

0.05

0.1

0.2

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

0

0.05

0.1

0.15

0.2

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.212. VSTBY - ISTBY

Fig.214. Load Regulation

Fig.213. IOUT - IGND

0.30

0.25

0.20

0.15

0.10

0.05

0.00

3.5

3.0

3.5

3.0

VIN=4.0V

Io=0mA

Temp=85°C

Temp=25°C

VIN=4.0V

VIN=5.5V

2.5

2.0

1.5

1.0

0.5

0.0

2.5

2.0

1.5

1.0

0.5

0.0

VIN=3.5V

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=25°C

VIN = 0.98 x VOUT

STBY=1.5V

0

0.05

0.1

0.15

0

0.1

0.2

0.3

0.4

0.5

0.6

0

0.5

1

1.5

Output Current (A)

STBY Voltage (V)

Fig.215. Dropout Voltage

Fig.216. OCP Threshold

Fig.217. STBY Threshold

3.05

3.04

3.03

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=4.0V

STBY=1.5V

Io=0mA

VIN=4.0V

STBY=0V

STBY=1.5V

Io=0.1mA

3.02

3.01

3.00

2.99

2.98

0.5

0.4

0.3

0.2

0.1

0.0

2.97

2.96

2.95

-40

-15

10

35

60

85

-40

-15

10

35

60

85

-40

-15

10

35

60

85

Temp (°C)

Fig.218. VOUT - Temp

Fig.219. IGND - Temp

Fig.220. IGND - Temp (STBY)

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2011.07 - Rev.C

29/41

Technical Note

BU□□TD2WNVX series

●Reference data BU30TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

IOUT=0mA→50mA

IOUT=50mA→0mA

50

0

3.10

3.05

3.00

2.95

2.90

Fig.221. Load Response

Fig.222. Load Response

100

50

0

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

3.10

3.05

3.00

2.95

2.90

Fig.223. Load Response

Fig.224. Load Response

IOUT=0mA→200mA

200

100

0

IOUT=200mA→0mA

0

3.10

3.00

3.20

3.10

2.90

2.80

3.00

2.90

Fig.225. Load Response

Fig.226. Load Response

100

50

0

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

3.05

3.00

3.10

3.05

2.95

2.90

3.00

2.95

Fig.227. Load Response

Fig.228. Load Response

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2011.07 - Rev.C

30/41

Technical Note

BU□□TD2WNVX series

●Reference data BU30TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

1.0

STBY=0→1.5V

0.0

4.0

2.0

4.0

2.0

0.0

Fig.230. Start Up Time

Iout=200mA

Fig.229. Start Up Time

Iout=0mA

4.0

2.0

0.0

VIN=STBY=0→4.0V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.232. Start Up Time

(VIN=STBY) Iout=200mA

Fig.231. Start Up Time

(VIN=STBY) Iout=0mA

4.0

2.0

0.0

6.0

5.0

4.0

VIN=4.0→5.0V→4.0V

STBY=1.5→0V

4.0

2.0

3.01

3.00

0.0

2.99

2.98

Fig.233. Discharge Time

Fig.234. VIN Response

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2011.07 - Rev.C

31/41

Technical Note

BU□□TD2WNVX series

●Reference data BU31TD2WNVX (Ta=25℃ unless otherwise specified.)

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

3.15

3.14

3.13

3.12

3.11

3.10

3.09

3.08

3.07

3.06

3.05

100

80

60

40

20

0

Temp=25°C

IO=0uA

VIN=STBY

Temp=85°

Temp=25°

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Io=0uA

Io=100uA

Io=50mA

Io=200mA

Temp=-40°C

VIN=STBY

4.5 5.5

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

0

0.5

1

1.5

2

2.5

3

3.5

4

5

Input Voltage (V)

Fig.235. Output Voltage

Fig.237. Circuit Current IGND

Fig.236. Line Regulation

3.15

1.6

100

80

60

40

20

0

VIN=4.1V

STBY=1.5V

3.13

1.4

1.2

1.0

0.8

0.6

STBY=1.5V

Temp=85°C

Temp=25°C

3.11

Temp=85°C

3.09

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=85°C

3.07

3.05

Temp=-40°C

0.05

0

0.1

0.15

0.2

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

0.2

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.239. IOUT - IGND

Fig.240. Load Regulation

Fig.238. VSTBY - ISTBY

0.30

0.25

0.20

0.15

0.10

0.05

0.00

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

VIN=3.6V

VIN=4.1V

Io=0mA

Temp=85°C

VIN=5.5V

Temp=25°C

Temp=-40°C

Temp=85°C

Temp=25°C

VIN = 0.98 x VOUT

STBY=1.5V

0.5 0.6

0

0.5

1

1.5

0

0.1

0.2

0.3

0.4

0

0.05

0.1

0.15

0.2

Output Current (A)

STBY Voltage (V)

Output Current (A)

Fig.243. STBY Threshold

Fig.241. Dropout Voltage

Fig.242. OCP Threshold

3.15

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=4.1V

STBY=1.5V

Io=0.1mA

VIN=4.1V

STBY=1.5V

Io=0mA

3.14

3.13

3.12

3.11

3.10

3.09

3.08

3.07

3.06

3.05

VIN=4.1V

STBY=0V

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

85

-40

-15

10

35

60

85

-40

-15

10

35

60

85

Temp (°C)

Fig.244. VOUT - Temp

Fig.245. IGND - Temp

Fig.246. IGND - Temp (STBY)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU31TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

0

100

50

IOUT=0mA→50mA

IOUT=50mA→0mA

0

3.20

3.15

3.10

3.05

3.00

Fig.248. Load Response

Fig.247. Load Response

100

50

0

100

IOUT=0mA→100mA

50

IOUT=100mA→0mA

0

3.20

3.15

3.10

3.05

3.00

Fig.250. Load Response

Fig.249. Load Response

200

100

0

200

IOUT=0mA→200mA

100

IOUT=200mA→0mA

0

3.30

3.20

3.10

3.00

2.90

Fig.252. Load Response

Fig.251. Load Response

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

3.15

3.10

3.20

3.15

3.05

3.00

3.10

3.05

Fig.254. Load Response

Fig.253. Load Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU31TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.255. Start Up Time

Iout=0mA

Fig.256. Start Up Time

Iout=200mA

4.0

2.0

0.0

VIN=STBY=0→4.1V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.258. Start Up Time

(VIN=STBY) Iout=200mA

Fig.257. Start Up Time

(VIN=STBY) Iout=0mA

2.0

6.1

VIN=4.1V→5.1V→4.1V

STBY=1.5→0V

1.0

5.1

4.1

0.0

4.0

2.0

3.11

3.10

0.0

3.09

3.08

Fig.259. Discharge Time

Fig.260. VIN Response

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU33TD2WNVX (Ta=25℃ unless otherwise specified.)

3.5

100

80

3.35

Temp=25°C

VIN=STBY

Io=0uA

VIN=STBY

3.34

3.0

Io=0uA

3.33

Io=100uA

2.5

2.0

3.32

Io=50mA

Temp=85°C

Temp=25°C

Io=200mA

60

3.31

Io=0uA

3.30

3.29

3.28

3.27

3.26

3.25

1.5

1.0

0.5

0.0

Io=100uA

Io=50mA

Io=200mA

40

20

0

Temp=-40°C

VIN=STBY

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

0.2

0.6

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Input Voltage (V)

Fig.261. Output Voltage

Fig.262. Line Regulation

Fig.263. Circuit Current IGND

3.35

3.34

3.33

3.32

3.31

1.6

1.4

1.2

1.0

0.8

0.6

100

80

60

40

20

0

VIN=4.3V

STBY=1.5V

Temp=85°C

Temp=25°C

Temp=85°C

3.30

3.29

3.28

3.27

3.26

3.25

Temp=-40°C

0.4

0.2

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

0

0.05

0.1

0.15

0.2

1.5

85

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

0

0.05

0.1

0.15

Output Current (A)

Input Voltage (V)

Output Current (A)

Fig.265. IOUT - IGND

Fig.266. Load Regulation

Fig.264. VSTBY - ISTBY

3.50

3.00

0.30

3.5

3.0

VIN=4.3V

Io=0mA

VIN=3.8V

VIN=4.3V

0.25

0.20

0.15

0.10

0.05

0.00

Temp=85°C

VIN=5.5V

2.50

2.00

1.50

1.00

0.50

0.00

2.5

2.0

1.5

1.0

0.5

0.0

Temp=25°C

Temp=-40°C

Temp=25°C

Temp=-40°C

Temp=85°C

VIN = 0.98 x VOUT

STBY=1.5V

0

0.05

0.1

0.15

0.2

0

0.1

0.2

0.3

0.4 0.5

0

0.5

1

Output Current (A)

STBY Voltage (V)

Fig.267. Dropout Voltage

Fig.268. OCP Threshold

Fig.269. STBY Threshold

3.35

3.34

3.33

3.32

3.31

60

50

40

30

20

10

0

1.0

0.9

0.8

0.7

0.6

VIN=4.3V

STBY=1.5V

Io=0mA

VIN=4.3V

STBY=0V

STBY=1.5V

Io=0.1mA

3.30

3.29

3.28

3.27

3.26

3.25

0.5

0.4

0.3

0.2

0.1

0.0

-40

-15

10

35

60

85

-40

-15

10

35

60

-40

-15

10

35

60

85

Temp (°C)

Fig.270. VOUT - Temp

Fig.271. IGND - Temp

Fig.272. IGND - Temp (STBY)

www.rohm.com

2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Reference data BU33TD2WNVX (Ta=25℃ unless otherwise specified.)

100

50

100

50

0

IOUT=0mA→50mA

IOUT=50mA→0mA

0

3.40

3.35

3.30

3.25

3.20

Fig.273. Load Response

Fig.274. Load Response

100

50

100

50

0

IOUT=0mA→100mA

IOUT=100mA→0mA

0

3.35

3.30

3.40

3.35

3.25

3.20

3.30

3.25

Fig.275. Load Response

Fig.276. Load Response

200

100

0

200

100

IOUT=0mA→200mA

IOUT=200mA→0mA

0

3.40

3.30

3.50

3.40

3.20

3.10

3.30

3.20

Fig.277. Load Response

Fig.278. Load Response

100

50

0

100

IOUT=50mA→100mA

IOUT=100mA→50mA

50

0

3.40

3.35

3.30

3.25

3.20

Fig.280. Load Response

Fig.279. Load Response

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2011.07 - Rev.C

36/41

Technical Note

BU□□TD2WNVX series

●Reference data BU33TD2WNVX (Ta=25℃ unless otherwise specified.)

2.0

1.0

0.0

2.0

STBY=0→1.5V

1.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.281. Start Up Time

Iout=0mA

Fig.282. Start Up Time

Iout=200mA

4.0

2.0

0.0

4.0

VIN=STBY=0→4.3V

VIN=STBY=0→4.3 V

2.0

0.0

4.0

2.0

4.0

2.0

0.0

Fig.284. Start Up Time

(VIN=STBY) Iout=200mA

Fig.283. Start Up Time

(VIN=STBY) Iout=0mA

2.0

1.0

6.3

5.3

4.3

VIN=4.3V→5.3V→5.3V

STBY=1.5→0V

0.0

4.0

2.0

3.31

3.30

0.0

3.29

3.28

Fig.285. Discharge Time

Fig.286. VIN Response

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2011.07 - Rev.C

37/41

Technical Note

BU□□TD2WNVX series

 About power dissipation (Pd)

As for power dissipation, an approximate estimate of the heat reduction characteristics and internal power consumption of

IC are shown, so please use these for reference. Since power dissipation changes substantially depending on the

implementation conditions (board size, board thickness, metal wiring rate, number of layers and through holes, etc.), it is

recommended to measure Pd on a set board. Exceeding the power dissipation of IC may lead to deterioration of the original

IC performance, such as causing operation of the thermal shutdown circuit or reduction in current capability. Therefore, be

sure to prepare sufficient margin within power dissipation for usage.

Calculation of the maximum internal power consumption of IC (PMAX)

PMAX=(VIN-VOUT)×IOUT(MAX.) (VIN: Input voltage VOUT: Output voltage IOUT(MAX): Maximum output current)

○Measurement conditions

Standard ROHM Board

Top Layer (Top View)

Bottom Layer (Top View)

Evaluation Board 1

Top Layer (Top View)

Bottom Layer (Top View)

Layout of Board for

Measurement

IC Implementation

Position

Measurement State

Board Material

Board Size

With board implemented (Wind speed 0 m/s) With board implemented (Wind speed 0 m/s)

Glass epoxy resin (Double-side board)

70 mm x 70 mm x 1.6 mm

Metal (GND) wiring rate: Approx. 0%

Metal (GND) wiring rate: Approx. 50%

Diameter 0.5mm x 6 holes

0.56W

Glass epoxy resin (Double-side board)

40 mm x 40 mm x 1.6 mm

Metal (GND) wiring rate: Approx. 50%

Diameter 0.5mm x 25 holes

0.39W

Top layer

Wiring

Rate

Bottom layer

Through Hole

Power Dissipation

Thermal Resistance

θja=178.6°C/W

θja=256.4℃/W

0.6

0.56W

0.5

Standard ROHM Board

0.4

0.39W

0.3

Evaluation Board 1

0.2

0.1

0

* Please design the margin so that PMAX

becomes is than Pd (PMAXPd) within the

usage temperature range.

0

25

50

75

100

125

85

Ta [ ]

℃

Figure 287. SSON004X1010 Power dissipation heat reduction characteristics (Reference)

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2011.07 - Rev.C

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Technical Note

BU□□TD2WNVX series

●Device Name and Marking

Device Name： BU□□TD2WNVX

a

Lot No.

3 STBY

Symbol

Description

4 VIN

Marking

Output

Voltage

□□

10

12

15

18

1J

19

20

2A

21

23

25

26

27

28

2J

29

30

31

32

33

34

1.0V typ.

1.2V typ.

1.5V typ.

1.8V typ.

1.85V typ.

1.9V typ.

2.0V typ.

2.05V typ.

2.1V typ.

2.3V typ.

2.5V typ.

2.6V typ.

2.7V typ.

2.8V typ.

2.85V typ.

2.9V typ.

3.0V typ.

3.1V typ.

3.2V typ.

3.3V typ.

3.4V typ.

A

B

C

D

E

F

G

r

0

1

H

J

K

L

M

N

P

Q

R

U

Y

1 VOUT

2 GND

Marking

a

Heatshink is

connected to GND

Fig.288. Package dimension and Marking

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2011.07 - Rev.C

39/41

Technical Note

BU□□TD2WNVX series

●Notes for use

1) About absolute maximum rating

Breakage may occur when absolute maximum ratings such as applied voltage and operating temperature range are

exceeded. Short mode or open mode cannot be specified at occurrence of a break, so please prepare physical safety

measures (e.g., fuse) if such special mode in which the absolute maximum rating is exceeded can be assumed.

2) About GND potential

Please be sure that the potential of the GND terminal is the lowest in any operating condition.

3) About thermal design

Please provide thermal design with sufficient margin, taking power dissipation (Pd) in actual usage conditions into

consideration.

4) About short between pins and misattachment

Please be careful regarding the IC direction and misalignment at attachment onto a printed circuit board. Misattachment

may cause a break of IC. Short caused by foreign matter between outputs, output and power supply, or GNDs may also

lead to a break.

5) About operation in a strong electromagnetic field

Please note that usage in a strong electromagnetic field may cause malfunction.

6) About common impedance

Please give due consideration to wiring of the power source and GND by reducing common-mode ripple or making ripple

as small as possible (e.g., making the wiring as thick and short as possible, or reducing ripple by LC), etc.

7) About STBY terminal voltage

Set STBY terminal voltage to 0.3 V or less to put each channel into a standby state and to 1.2 V or more to put each

channel into an operating state. Do not fix STBY terminal voltage to 0.3 V or more and 1.2 V or less or do not lengthen

the transition time. This may cause malfunction or failure.

When shorting the VIN terminal and STBY terminal for usage, the status will be “STBY=VIN=LOW” at turning the power

OFF, and discharge of the VOUT terminal cannot operate, which means voltage may remain for a certain time in the

VOUT terminal. Since turning the power ON again in this state may cause overshoot, turn the power ON for use after the

VOUT terminal is completely discharged.

8) About overcurrent protection circuit

Output has a built-in overcurrent protection circuit, which prevents IC break at load short. Note that this protection circuit

is effective for prevention of breaks due to unexpected accidents. Please avoid usage by which the protection circuit

operates continuously.

9) About thermal shutdown

Output is OFF when the thermal circuit operates since a temperature protection circuit is built in to prevent thermal

breakdown. However, it recovers when the temperature returns to a certain temperature. The thermal circuit operates at

emergency such as overheating of IC. Since it is prepared to prevent IC breakdown, please do not use it in a state in

which protection works.

Reverse current

 About reverse current

For applications on which reverse current is assumed to flow into IC,

it is recommended to prepare a path to let the current out

putting a bypass diode between the VIN-VOUT terminals.

VIN

OUT

by

STBY

GND

Fig. 289. Example of bypass diode connection

 About testing on a set board

When connecting a capacitor to a terminal with low impedance for testing on a set board, please be sure to discharge for

each process since IC may be stressed. As a countermeasure against static electricity, prepare grounding in the assembly

process and take sufficient care in transportation and storage. In addition, when connecting a capacitor to a jig in a testing

process, please do so after turning the power OFF and remove it after turning the power OFF.

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2011.07 - Rev.C

40/41

Technical Note

BU□□TD2WNVX series

●Ordering part number

B U

1

2

T

D

2 W

N V X - T

L

Part No.

Output Voltage

Line up

Package

Packaging and forming specification

TL: Embossed tape and reel

10 : 1.0V

12 : 1.2V

15 : 1.5V

18 : 1.8V

1J : 1.85V

19 : 1.9V

20 : 2.0V

2A: 2.05V

21 : 2.1V

23 : 2.3V

25 : 2.5V

26 : 2.6V

27 : 2.7V

28 : 2.8V

2J : 2.85V

29 : 2.9V

30 : 3.0V

31 : 3.1V

32 : 3.2V

33 : 3.3V

34 : 3.4V

NVX : SSON004X1010

SSON004X1010

1.0 0.1

1PIN MARK

Tape

Embossed carrier tape

5000pcs

Quantity

TL

Direction

of feed

S

The direction is the 1pin of product is at the lower left when you hold

reel on the left hand and you pull out the tape on the left hand

(

)

0.05

0.65 0.05

3-C0.18

R0.05

1

2

45º

4

3

Direction of feed

1pin

0.25 0.05

Reel

Order quantity needs to be multiple of the minimum quantity.

(Unit : mm)

∗

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2011.07 - Rev.C

41/41

Notice

N o t e s

No copying or reproduction of this document, in part or in whole, is permitted without the

consent of ROHM Co.,Ltd.

The content speciﬁed herein is subject to change for improvement without notice.

The content speciﬁed herein is for the purpose of introducing ROHM's products (hereinafter

"Products"). If you wish to use any such Product, please be sure to refer to the speciﬁcations,

which can be obtained from ROHM upon request.

Examples of application circuits, circuit constants and any other information contained herein

illustrate the standard usage and operations of the Products. The peripheral conditions must

be taken into account when designing circuits for mass production.

Great care was taken in ensuring the accuracy of the information speciﬁed in this document.

However, should you incur any damage arising from any inaccuracy or misprint of such

information, ROHM shall bear no responsibility for such damage.

The technical information speciﬁed herein is intended only to show the typical functions of and

examples of application circuits for the Products. ROHM does not grant you, explicitly or

implicitly, any license to use or exercise intellectual property or other rights held by ROHM and

other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the

use of such technical information.

The Products speciﬁed in this document are intended to be used with general-use electronic

equipment or devices (such as audio visual equipment, ofﬁce-automation equipment, commu-

nication devices, electronic appliances and amusement devices).

The Products speciﬁed in this document are not designed to be radiation tolerant.

While ROHM always makes efforts to enhance the quality and reliability of its Products, a

Product may fail or malfunction for a variety of reasons.

Please be sure to implement in your equipment using the Products safety measures to guard

against the possibility of physical injury, ﬁre or any other damage caused in the event of the

failure of any Product, such as derating, redundancy, ﬁre control and fail-safe designs. ROHM

shall bear no responsibility whatsoever for your use of any Product outside of the prescribed

scope or not in accordance with the instruction manual.

The Products are not designed or manufactured to be used with any equipment, device or

system which requires an extremely high level of reliability the failure or malfunction of which

may result in a direct threat to human life or create a risk of human injury (such as a medical

instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-

controller or other safety device). ROHM shall bear no responsibility in any way for use of any

of the Products for the above special purposes. If a Product is intended to be used for any

such special purpose, please contact a ROHM sales representative before purchasing.

If you intend to export or ship overseas any Product or technology speciﬁed herein that may

be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to

obtain a license or permit under the Law.

Thank you for your accessing to ROHM product informations.

More detail product informations and catalogs are available, please contact us.

ROHM Customer Support System

http://www.rohm.com/contact/

www.rohm.com

R1120

A

型号:	BU31TD2WNVX
是否Rohs认证：	符合
生命周期：	Active
零件包装代码：	SON
包装说明：	1 X 1 MM, 0.60 MM HEIGHT, ROHS COMPLIANT, SSON-4
针数：	4
Reach Compliance Code：	compliant
ECCN代码：	EAR99
HTS代码：	8542.39.00.01
风险等级：	5.19
最大回动电压 1：	0.46 V
最大输入电压：	5.5 V
最小输入电压：	1.7 V
JESD-30 代码：	S-PDSO-N4
长度：	1 mm
功能数量：	1
端子数量：	4
工作温度TJ-Max：	125 °C
最大输出电流 1：	0.2 A
最大输出电压 1：	3.131 V
最小输出电压 1：	3.069 V
标称输出电压 1：	3.1 V
封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON
封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified
调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：	0.6 mm
表面贴装：	YES
技术：	CMOS
端子形式：	NO LEAD
端子节距：	0.65 mm
端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	1 mm
Base Number Matches：	1

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