MB3882 Fujitsu Media Devices, MB3882 Datasheet - Page 3

• Manufacturer Part Number: MB3882
• Description: 2-channel DC/DC Converter IC with Synchronous Rectifier
• Manufacturer: Fujitsu Media Devices

Pin No.
PIN DESCRIPTIONS
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
OUT1-1
OUT2-1
OUT2-2
OUT1-2
SGND
PGND
CSCP
VREF
VCC
CS1
VS1
CB1
CB2
VS2
CS2
FB1
FB2
INE1
INC1
INC2
INE2
CT
RT
VB
I/O
O
O
O
O
O
O
O
O
I
I
I
I
Triangular wave oscillator frequency setting capacitor connection terminal
Triangular wave oscillator frequency setting resistor connection terminal
Ground terminal
CH1 soft start capacitor connection terminal. (Also used as channel control)
CH1 error Amp. inverted input terminal
CH1 error Amp. output terminal
CH1 overvoltage comparator non-inverted input terminal
CH1 totem pole output terminal. (External main side FET gate drive)
CH1 external main side FET source connection terminal
CH1 boot capacitor connection terminal. Connect capacitor between the
CB1 terminal and VS1 terminal.
CH1 totem pole output terminal. (External synchronous rectifier side FET
gate drive)
Ground terminal
Output circuit bias output terminal
CH2 totem pole output terminal. (External synchronous rectifier side FET
gate drive)
CH2 boot capacitor connection terminal. Connect capacitor between the
CB2 terminal and VS2 terminal.
CH2 external main side FET source connection terminal.
CH2 totem pole output terminal. (External main side FET gate drive)
CH2 overvoltage comparator non-inverted input terminal
CH2 error Amp. output terminal
CH2 error Amp. inverted input terminal
CH2 soft start capacitor connection terminal. (Also used as channel control)
Timer latch short protection capacitor connection terminal
Reference voltage, control circuit power supply terminal
Reference voltage output terminal
Description
MB3882
3