MB3788 查看數據表（PDF） - Fujitsu

零件编号

产品描述 (功能)

比赛名单

MB3788

SWITCHING REGULATOR CONTROLLER

Fujitsu 

MB3788

s STANDARD CHARACTERISTIC CURVES

1. Power current - supply voltage characteristic

TA = +25°C

2.5

CTL1 = 6 V

2. Reference voltage - supply voltage characteristic

5

TA = +25°C

2.0

Power 1.5

current

lCC (mA)1.0

CTL1, 2 = 6 V

4

Reference 3

voltage

VREF (V)

2

0.5

1

0

0

4

8 12 16 20

Supply voltage VCC (V)

0

0 4 8 12 16 20

Supply voltage VCC (V)

3.Reference voltage, output current setting pin voltage

- supply voltage characteristic

4. Reference voltage - ambient temperature characteristic

5

4

Reference

VvRoEltFag(Ve)3

2

1

TA = +25°C

5

VREF

4

2.56

Reference 2.54

voltage

VREF (V) 2.52

3

2.50

Output

2.48

2 current

setting

2.46

pin voltage

VE

1 VE (V)

2.44

VCC = 6 V

VCTL1, 2 = 6 V

IOR = -1 mA

0

0

012345

Supply voltage VCC (V)

-60 -40 -20 0 20 40 60 80 100

Ambient temperature TA (°C)

5. Reference voltage - control voltage characteristic

VCC = 6 V

3.0

TA = +25°C

6. Control current - control voltage characteristic

VCC = 6 V

500

TA = +25°C

2.8

Reference

voltage 2.6

VREF (V)

2.4

400

Control

current 300

lCTL1 (µA)

200

2.2

100

2.0

012345

Control voltage VCTL1 (V)

0

0 4 8 12 16 20

Control voltage VCTL1 (V)

10

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