mb3881pff Fujitsu Microelectronics, Inc., mb3881pff Datasheet - Page 22

• Manufacturer Part Number: mb3881pff
• Description: 8-ch Dc/dc Converter Ic With Synchronous Rectifier For Voltage Step-up And Step-down
• Manufacturer: Fujitsu Microelectronics, Inc.

22
MB3881
SETTING THE OUTPUT VOLTAGE
• CH1 to CH4
• CH5, CH6
V
R1
R2
V
R1
R2
O
O
IN5(C)
OVP
FB1
IN5
IN5
IN1
21
23
22
18
47
46
bV
0.6 V
aV
1.0 V
1.25 V
Error
Amp.5
SCP
Comp.5
Error
Amp.1
SCP
Comp.1
V
V
O
O
(aV > bV)
1.25 V
R2
bV
R2
(R1
(R1
R2)
R2)