MB3885PFV FUJITSU [Fujitsu Component Limited.], MB3885PFV Datasheet - Page 24
MB3885PFV
Manufacturer Part Number
MB3885PFV
Description
1-channel DC/DC Converter IC with Synchronous Rectifier
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3885PFV.pdf
(29 pages)
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Vin
Output
On/Off
signal
SW1
A
6.2 k
10 k
2 k
R1
R3
R4
0.022 F
0.01 F
2.7 k
3.3 k
R2
10 k
R5
C3
R6
C5
CSCP
0.1 F
C4
INC
INE
FB
CS
3
7
8
6
9
1 A
SCP Comp.
10 A
1.25 V
1.47 V
OVP
Comp.
Error Amp.
VCC
2.1 V
Latch
S
R
S Q
Latch
bias
R
DTC
UVLO
PWM Comp.1
PWM
Comp.2
470 pF
CT
C6
10
VCC
4
OSC
C12
0.1 F
5 V Reg.
5
10 k
RT
R7
(2.5 V) Power
bias
Ref
Drive1
Drive2
18
1.9 V
1.3 V
VREF
0.1 F
C7
VCC
17
SGND
11
12
13
14
15
16
VB
CB
OUT1
VS
OUT2
PGND
D2
4.7 F
22 F
C8
C1
C2
0.1 F
C9
0.1 F
Q1
Q2
D1
2.7 H
A
68 F
L1
C10
3
Vo (2 V)
C11
2.2 F
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