MB39A126PFV 查看數據表（PDF） - Fujitsu

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MB39A126PFV

DC/DC Converter IC for Charging Li-ion Battery

Fujitsu 

MB39A125/126

■ BLOCK DIAGRAMS

• MB39A125

−INE1 8

OUTC1 10

+INC1 13

−INC1 12

<Current Amp1>

+

×20

−

+INE1 9

−INE2 4

OUTC2 2

+INC2 24

−INC2 1

<Current Amp2>

+

×20

−

+INE2 3

FB123 15

−INE3 16

OUTD 11

ACIN

7

<AC Comp.>

+

VREF

−

1.4 V

ACOK

5

XACOK

18

<Error Amp1>

−

+

<Error Amp2>

−

+

0.2 V <UV Comp.>

+

−

−INC1

(Vo)

<PWM Comp.>

+

−

<OUT>

Drive

21 VCC

20 OUT

<Error Amp3>

−

+

4.2 V

−2.5 V

−1.5 V

(VCC − 6 V) 19 VH

VH

Bias

Voltage

<UVLO>

VREF

UVLO

< SOFT>

VREF

10 µA

CS 22

Slope

Control

<OSC>

500 kHz Max

4.2 V

Bias

<REF>

CT

(45 pF)

VREF

5.0 V

17

6

RT

VREF

VCC

<CTL>

23

GND

14 CTL

11

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