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MB3875 Datasheet(PDF) 3 Page - Fujitsu Component Limited.

Part No. MB3875
Description  DC/DC Converter IC for Charging
Download  26 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
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MB3875 Datasheet(HTML) 3 Page - Fujitsu Component Limited.

 
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MB3875/3877
3
s PIN DESCRIPTION
Pin No.
Symbol
I/O
Descriptions
1
–INC2
I
Current detection amplifier (Current Amp. 2) input pin.
2
IN3
I
DC/DC output voltage (charge voltage) input pin.
3
FB2
O
Error amplifier (Error Amp. 2) output pin.
4
OUTC2
O
Current detection amplifier (Current Amp. 2) output pin.
5
VREF
O
Reference voltage output pin.
6
–INE2
I
Error amplifier (Error Amp. 2) inverted input pin.
7
+INE2
I
Error amplifier (Error Amp. 2) non-inverted input pin.
8
+INE1
I
Error amplifier (Error Amp. 1) non-inverted input pin
9
FB1
O
Error amplifier (Error Amp. 1) output pin.
10
OUTC1
O
Current detection amplifier (Current Amp. 1) output pin.
11
–INE1
I
Error amplifier (Error Amp. 1) inverted input pin.
12
–INC1
I
Current detection amplifier (Current Amp. 1) input pin.
13
+INC1
I
Current detection amplifier (Current Amp. 1) input pin.
14
CTL
I
Power supply control pin.
Setting the CTL pin low places the IC in the standby mode.
15
FB3
O
Error amplifier (Error Amp. 3) output pin.
16
–INE3
I
Error amplifier (Error Amp. 3) inverted input pin.
17
RT
Triangular-wave oscillation frequency setting resistor connection pin.
18
VCC
Power supply pin for reference power supply and control circuit.
19
VH
O
Power supply pin for FET drive circuit (VH = Vcc
− 5 V).
20
OUT
O
High-side FET gate drive pin.
21
VCC(O)
Output circuit power supply.
22
CS
Soft-start capacitor connection pin.
23
GND
Ground pin.
24
+INC2
I
Current detection amplifier (Current Amp. 2) input pin.


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