MB3886PFV FUJITSU [Fujitsu Component Limited.], MB3886PFV Datasheet - Page 4
MB3886PFV
Manufacturer Part Number
MB3886PFV
Description
2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3886PFV.pdf
(30 pages)
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4
MB3886
BLOCK DIAGRAM
PSIG1
PSIG2
CSCP
CTL1
CTL2
INC1
INC2
INE1
INE2
CS1
CS2
FB1
FB2
10
22
23
24
21
29
30
25
9
8
7
2
1
VREF
VREF
10 A
10 A
10 A
10 A
10 A
3.8
k
3.8
k
SCP Comp.
1.47 V
1.47 V
Error Amp.1
1.25 V
OVP Comp.2
1.25 V
Error Amp.2
OVP Comp.1
CTL2
CTL1
Latch1-2
R
S
2.3 V
Latch1-1
Q
S Q
S
Latch3
R
Latch
CTL1 and CTL2
R
PWM Comp.2
PWM Comp.1
Dead Time
Modulation2
Dead Time
Modulation1
UVLO
Latch2-2
Latch2-1
VCC
Q
Q
26
R
S
R
S
CT
4
CTL2
CT1 CT2
CTL1
OSC
Current
Protection
Logic
Current
Protect-
ion
Logic
RT
5
5 V Reg.
Drive1-1
Drive2-1
Drive1-2
Drive2-2
< CH1 >
< CH2 >
(3.5 V)
VREF
bias
Ref
27
2.1 V
1.3 V
2.1 V
1.3 V
SGND
Power
VCC
6
16
13
11
12
14
18
20
19
17
15
28
3
VB
CB1
OUT1-1
VS1
OUT2-1
ILIM1
CB2
OUT1-2
VS2
OUT2-2
PGND
ILIM2
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