MB3883PFV(1998) Просмотр технического описания (PDF) - Fujitsu

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MB3883PFV
(Rev.:1998)

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

Fujitsu 

MB3883

s TYPICAL CHARACTERISTICS

Power supply current vs. power supply voltage

10

Ta = +25 °C

CTL = CTL1, 2 = CTL3 = CTL4 = CTL5 = 5 V

8

Reference voltage vs. power supply voltage

5

Ta = +25 °C

CTL = CTL1, 2 = CTL3 = CTL4 = CTL5 = 5 V

4

VREF = 0 mA

6

3

4

2

2

1

0

0

2

4

6

8

Power supply voltage VCC (V)

0

10

0

2

4

6

8

10

Power supply voltage VCC (V)

Reference voltage vs. ambient temperature

2.56

VCC = 5 V

2.54

CTL = CTL1, 2 = CTL3 = CTL4 = CTL5 = 5 V

VREF = 0 mA

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

Control current vs. control voltage

5

300

Ta = +25 °C

4

VCC = 5 V

VREF = 0 mA

250

Ta = +25 °C

VCC = 5 V

200

3

CTL

150

2

CTL1, 2 ∼ CTL5

100

1

50

0

0

0

1

2

3

4

5

0

2

4

6

8

10

Control voltage VCTL (V)

Control voltage VCTL (V)

(Continued)

15

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