MB3883_02 FUJITSU [Fujitsu Component Limited.], MB3883_02 Datasheet - Page 7
MB3883_02
Manufacturer Part Number
MB3883_02
Description
6-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3883_02.pdf
(40 pages)
- Current page: 7 of 40
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BLOCK DIAGRAM
OUT (A) 4
CTL1, 2
IN (A) 4
IN (S) 4
C IN6
DTC1
DTC2
DTC3
DTC4
DTC5
CTL3
CTL4
CTL5
FB1
FB2
FB3
FB4
FB5
FB6
IN1
IN2
IN3
IN4
IN5
IN6
35
34
33
10
21
22
23
24
36
32
31
29
28
30
11
12
13
14
9
7
8
6
3
4
5
37.5 k
CS CTL
Logic
(VB : 2 V)
CS
15
1.25 V
1.0 V
1.25 V
1.0 V
1.25 V
1.0 V
1.25 V
1.0 V
1.25 V
1.0 V
62.5 k
1.26 V
0.9 V
1.8 V
1.1 V
1.8 V
1.1 V
0.8 V
0.3 V
INV
Amp.4
SCP
Comp.6
Error
Amp.1
Error
Amp.2
Error
Amp.3
Error
Amp.6
2 V
Error
Amp.5
SCP
Comp.1
SCP
Comp.2
SCP
Comp.3
Error
Amp.4
SCP
Comp.4
SCP
Comp.5
27
VB
CT1
CT2
CT
25
RT
OSC
63 k
0.74 V
(VB : 2 V)
CT
26
VB1
VB1
VB1
37 k
0.9V
PWM
Comp.3
PWM
Comp.4
PWM
Comp.6
Power
Comp.
UVLO
CSCP
PWM
Comp.
1-1
PWM
Comp.
1-2
PWM
Comp.
2-1
PWM
Comp.
2-2
PWM
Comp.
5-1
PWM
Comp.
5-2
SCP
18
2.49 V
VREF
CH1
CH2
CH3
CH4
CH5
CH6
Ref
16
Drive
1-1
Drive
1-2
Drive
2-1
Drive
2-2
Drive
Drive
Drive
5-1
Drive
5-2
Drive
3
4
6
SW
Drive
ON/OFF
Power
GND
CTL
17
42
37
38
39
40
41
43
45
46
47
48
44 GND (O)
19 VCC
20
1 SWOUT
2 SWIN
VCC (O)
OUT1-1
OUT2-1
OUT4
OUT5-1
OUT6
CTL
OUT1-2
OUT2-2
OUT3
OUT5-2
RB6
(48 Pin)
H : ON (Power/CH6)
L : OFF (Standby mode)
MB3883
7
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