MB3881 查看數據表（PDF） - Fujitsu

零件编号

产品描述 (功能)

生产厂家

MB3881

8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

Fujitsu 

MB3881

s TYPICAL CHARACTERISTICS

Power supply current vs. power supply voltage

10

Ta = +25 °C

CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V

8

6

4

2

0

0 2 4 6 8 10 12 14 16

Power supply voltage VCC (V)

Reference voltage vs. power supply voltage

5

Ta = +25 °C

CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V

4

VREF = 0 mA

3

2

1

0

0 2 4 6 8 10 12 14 16

Power supply voltage VCC (V)

Reference voltage vs. ambient temperature

2.56

VCC = 9 V

2.54

CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V

2.52

2.5

2.48

2.46

2.44

−40 −20 0 20 40 60 80 100

Ambient temperature Ta (°C)

Reference voltage vs. control voltage

5

Ta = +25 °C

VCC = 9 V

4

VREF = 0 mA

3

Control current vs. control voltage

500

Ta = +25 °C

VCC = 9 V

400

300

2

200

1

100

0

0

0

1

2

3

4

5

0 2 4 6 8 10 12 14 16

Control voltage VCTL-1 (V)

Control voltage VCTL-1 (V)

(Continued)

14

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