mb3881pff Fujitsu Microelectronics, Inc., mb3881pff Datasheet - Page 33

• 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.

• Enlarged view of C
130 k
R39
R31
10 k
10 k
R40
R49
36 k
C30
0.1 F
C32
0.1 F
R41
30 k
R48
H
0.1 F
R32
10 k
1 k
R16
C28
68 k
CTL-2
CTL-3
CTL-4
IN8(C)
FB8
20 k
3 V
DTC8
R42
IN8(C)
Synchronous signal
CS
VB
IN8
IN8
1 F
C46
5 V
0 V
29
30
31
32
36
4
5
6
7
8
3
SYNC
35
12 k
R45
RT
33
CT
CH8
34
100 pF
C31
CSCP
26
0.1 F
C29
VREF
24
GND
25
64
27
28
2
1
RB8
GND(O)-2
OUT8
VCC
CTL-1
R8
12 k
VSS(0)
(1.8 V)
C20
100 pF
VCC(0)
(5.8 V)
H : ON (Power/CH1, 3, 4, 8)
L : OFF ( Standby mode )
(64 pin)
1 F
1 F
C40
C41
D8
D9
Q8
T1
D10
D11
D12
D13
H
MB3881
C42
1 F
1 F
C44
1 F
C43
1 F
C45
Vo8-1
(15 V)
<CCD>
Vo8-2
(7 V)
<LCD>
Vo8-3
( 7 V)
<CCD>
Vo8-4
( 15 V)
<LCD>
33