MB3875 Fujitsu Media Devices, MB3875 Datasheet - Page 4

• Manufacturer Part Number: MB3875
• Description: DC/DC Converter IC for Charging
• Manufacturer: Fujitsu Media Devices

4
MB3875/MB3877
Pin No.
PIN DESCRIPTION
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Symbol
OUTC2
OUTC1
V
–INC2
–INE2
+INE2
+INE1
–INE1
–INC1
+INC1
–INE3
+INC2
VREF
GND
OUT
FB2
FB1
CTL
FB3
CC
IN3
V
RT
VH
CS
CC
(O)
I/O
—
—
—
—
—
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Current detection amplifier (Current Amp. 2) input pin.
DC/DC output voltage (charge voltage) input pin.
Error amplifier (Error Amp. 2) output pin.
Current detection amplifier (Current Amp. 2) output pin.
Reference voltage output pin.
Error amplifier (Error Amp. 2) inverted input pin.
Error amplifier (Error Amp. 2) non-inverted input pin.
Error amplifier (Error Amp. 1) non-inverted input pin
Error amplifier (Error Amp. 1) output pin.
Current detection amplifier (Current Amp. 1) output pin.
Error amplifier (Error Amp. 1) inverted input pin.
Current detection amplifier (Current Amp. 1) input pin.
Current detection amplifier (Current Amp. 1) input pin.
Power supply control pin.
Setting the CTL pin low places the IC in the standby mode.
Error amplifier (Error Amp. 3) output pin.
Error amplifier (Error Amp. 3) inverted input pin.
Triangular-wave oscillation frequency setting resistor connection pin.
Power supply pin for reference power supply and control circuit.
Power supply pin for FET drive circuit (VH = Vcc
High-side FET gate drive pin.
Output circuit power supply.
Soft-start capacitor connection pin.
Ground pin.
Current detection amplifier (Current Amp. 2) input pin .
Descriptions
5 V).