MB3883 Datasheet, PDF (30/39 Pages) Fujitsu Component Limited. – 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

MB3883
s APPLICATION EXAMPLE
A
FB1
R12
2.7 kΩ
R13
22 kΩ
C23
0.1 µF
R6
1 kΩ
35
34
−IN1
R14
15 kΩ
R15
24 kΩ
DTC1
R16 ³⁶
47 kΩ
FB2
B C24 32
R17 ^{0.1 µF}
15 kΩ R7
1 kΩ ₃₁
−IN2
R18
15 kΩ
R19
24 kΩ
DTC2
R20 ³³
47 kΩ
C
FB3
R21
15 kΩ
C25
0.1 µF
29
R22 R8
150 kΩ 1 kΩ ₂₈
R23
15 kΩ
−IN3
R24
24 kΩ
DTC3
30
R25
47 kΩ
E
R26 −IN (A) 4
120 kΩ
9
VIN
(1.8 V ~
5.0 V)
R27
10 kΩ
R28
10 kΩ
OUT (A) 4
10
FB4
C26 11
0.1 µF
R9
1 kΩ ₁₂
D
−IN4
13
R29
47 kΩ
−IN (S) 4
R30
24 kΩ
DTC4
14
R31
47 kΩ
F
FB5
R32
15 kΩ
C27
0.1 µF
7
R33 R10
30 kΩ 1 kΩ ₈
R34
15 kΩ
−IN5
R35
24 kΩ
DTC5
R36
6
47 kΩ
G
FB6
R37
15 kΩ
C28
0.1 µF
3
R38 R11
30 kΩ 1 kΩ ₄
−IN6
R39
15 kΩ
C+IN6
5
C29
0.33 µF
CH1
CH2
CH3
CH4
CH5
CH6
CTL1, 2 21
CTL3 22
CTL4 23
CTL5 24
15 27 25
26 18
16 17
CS
C30
0.1 µF
VB RT
CT CSCP
VREF GND
C33
0.1 µF
C31 R40 C32
0.1 µF 18 kΩ 100 pF
VCC (O)
42
OUT1-1
37
C17
2.2 µF
OUT1-2
38
Q1
R1
150 Ω
C10
3300 pF
C1
4.7 µF
A
L1
15 µH
L2
22 µH
Vo1
(3.3 V)
(250 mA)
C2
Q3
D1 ^{4.7 µF}
OUT2-1
39
C18
2.2 µF
OUT2-2
40
Q2
R2
300 Ω
C11
2700 pF
C3
4.7 µF
B
L3
22 µH
L4
22 µH
Vo2
(2.5 V)
(150 mA)
C4
Q4
D2 ^{4.7 µF}
Vo6
(5.0 V)
OUT3
41
4
3
C19
2
2.2 µF 1
Q5
C
D3
5
6
8
D4
7
C5
1 µF
<CCD>
Vo3-1
(15 V)
(12 mA)
Vo3-2
(−7.5 V)
(2.5 mA)
C6
1 µF
OUT4
43
1
6
C20
2.2 µF
4
Q6
D
VREF
R3
18 kΩ
Q7
R4
27 kΩ
E
D5C1 ⁷µFV(5o.06 V)
5
3
2 _D6
7
D7
8
C8
1 µF
C9
1 µF
<LCD>
Vo4-3
(−15 V)
(4 mA)
Vo4-2
(6.5 V)
(6 mA)
Vo4-1
(13.5 V)
(2.7 mA)
OUT5-1
45
OUT5-2
46
L5
15 µH
F
Q10
D8
Q9
C21 ^Q8
2.2 µF
C12
4.7 µF
Vo5
(5.0 V)
(100 mA)
C13
2.2 µF
L6
22 µH
G
Vo6
(5.0 V)
Q12
OUT6
47
RB6
48
Q11
D9
C22
2.2 µF
C14
C15
4.7 µF 2.2 µF
C16
56 pF
R5
20 kΩ
SWOUT
1
44 ^{GND (O)}
H: SWOUT = L
2 _SWIN
VCC
L: SWOUT = H
19
(5.0 V) _{H : ON (Power/CH6)}
20 CTL _{L : OFF (Standby mode)}
(48 Pin)
30