mb3883pv Fujitsu Microelectronics, Inc., mb3883pv Datasheet - Page 31

• Manufacturer Part Number: mb3883pv
• Description: 6-ch Dc/dc Converter Ic With Synchronous Rectification For Voltage Step-up And Step-down
• Manufacturer: Fujitsu Microelectronics, Inc.

• Application example (Expansion1/2)
(1.8 V ~
5.0 V)
V
IN
150 k
120 k
24 k
24 k
2.7 k
15 k
22 k
15 k
15 k
15 k
15 k
24 k
10 k
10 k
R15
R19
R12
R13
R14
R17
R18
R21
R22
R23
R26
R27
R28
R24
47 k
24 k
A
B
C
E
D
R29
R30
0.1 F
0.1 F
0.1 F
0.1 F
OUT (A) 4
R16
47 k
R31
47 k
R20
47 k
R25
47 k
1 k
1 k
1 k
1 k
C23
C25
C26
C24
IN (S) 4
IN (A) 4
R6
R7
R8
R9
DTC1
DTC2
DTC3
DTC4
FB4
IN1
IN4
FB1
FB2
FB3
IN2
IN3
35
34
36
32
31
33
29
28
30
10
11
12
13
14
9
CH1
CH2
CH3
CH4
42
37
38
39
40
41
43
VCC (O)
OUT1-1
OUT1-2
OUT2-1
OUT3
OUT4
OUT2-2
2.2 F
2.2 F
C17
C18
C19
2.2 F
C20
2.2 F
3300 pF
2700 pF
R1
150
R2
300
C10
C11
Q6
Q1
Q2
Q5
1
6
4
4
3
2
1
C1
4.7 F
C3
4.7 F
L1
15 H
L3
22 H
8
Q3
Q4
D5
5
3
2
7
D3
D6
D7
8
D
C7
1 F
C
5
6
7
D4
E
A
B
Q7
L2
22 H
L4
22 H
D1
D2
Vo6
(5.0 V)
C8
1 F
MB3883
Vo6
(5.0 V)
C5
1 F
C9
1 F
VREF
C6
1 F
C2
4.7 F
C4
4.7 F
R3
18 k
R4
27 k
Vo1
(3.3 V)
(250 mA)
Vo2
(2.5 V)
(150 mA)
<CCD>
Vo3-1
(15 V)
(12 mA)
Vo3-2
( 7.5 V)
(2.5 mA)
<LCD>
Vo4-3
( 15 V)
(4 mA)
Vo4-2
(6.5 V)
(6 mA)
Vo4-1
(13.5 V)
(2.7 mA)
31