MB3888 데이터 시트보기 (PDF) - Fujitsu

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MB3888

DC/DC Converter IC for Charging Li-ion Battery

Fujitsu 

MB3888

s TYPICAL CHARACTERISTICS

Power supply current vs.

Power supply voltage

10

Ta = +25 °C

CTL = 5 V

8

6

4

2

0

0

5

10

15

20

25

Power supply voltage VCC (V)

Reference voltage vs. Load current

6

Ta = +25 °C

5

VCC = 19 V

CTL = 5 V

4

3

2

1

0

0

5

10 15 20 25 30

Load current IREF (mA)

CTL terminal current, reference voltage vs.

CTL terminal voltage

1000

10

Ta = +25 °C

900 VCC = 19 V

9

800

8

700

7

600

6

VREF

500

5

400

ICTL

4

300

3

200

2

100

1

0

0

0

5

10

15

20

25

CTL terminal voltage VCTL (V)

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

5.05

5.04

5.03

5.02

5.01

5.00

4.99

4.98

4.97

4.96

4.95

−40 −20 0

VCC = 19 V

CTL = 5 V

VREF = 0 mA

20 40 60 80 100

Ambient temperature Ta ( °C)

(Continued)

11

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