MB3887 データシートの表示（PDF） - Fujitsu

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MB3887

DC/DC Converter IC for Charging Li-ion battery

Fujitsu 

MB3887

■ TYPICAL CHARACTERISTICS

Power supply current vs. Power supply voltage

6

Ta = +25 °C

5

CTL = 5 V

4

3

2

1

0

0

5

10

15

20

25

Power supply voltage VCC (V)

Reference voltage vs. Reference voltage output current

6

Ta = +25 °C

5

VCC = 19 V

CTL = 5 V

4

3

2

1

0

0

5

10 15 20 25 30

Reference voltage output current IREF (mA)

CTL terminal current, Reference voltage

vs. CTL terminal voltage

1000

900

800

Ta = +25 °C

VCC = 19 V

700

600

VREF

500

400

ICTL

300

200

100

0

0

5

10

15

20

CTL terminal voltage VCTL (V)

10

9

8

7

6

5

4

3

2

1

0

25

Reference voltage vs. Power supply voltage

6

5

4

3

2

Ta = +25 °C

1

CTL = 5 V

VREF = 0 mA

0

0

5

10

15

20

25

Power supply voltage VCC (V)

Reference voltage vs. Ambient temperature

5.08

VCC = 19 V

5.06

CTL = 5 V

5.04

5.02

5.00

4.98

4.96

4.94

4.92

−40 −20 0 +20 +40 +60 +80 +100

Ambient temperature Ta ( °C)

(Continued)

11

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