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MB3827 Fiches technique(PDF) 6 Page - Fujitsu Component Limited.

No de pièce MB3827
Description  6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
Download  41 Pages
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Fabricant  FUJITSU [Fujitsu Component Limited.]
Site Internet  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3827 Fiches technique(HTML) 6 Page - Fujitsu Component Limited.

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MB3827
6
s BLOCK DIAGRAM
• General view
Drive
1-1
Drive
1-2
Drive
1-3
Drive
1-4
+
+
+
+
+
+
+
+
+
+
+
Drive
7
+
+
+
DTC1-3
DTC1-4
Error
Amp.1
SCP
Comp.1
1.26 V
1.0 V
1.26 V
RB1
SEL
Comp.
+
FB7
+IN7
−IN7-2
−IN7(C)8
CTL6
CS1-6
CTL5
DTC7
−IN7-1
Voffset
1.6 V
Error
Amp.7
SCP
Comp.8
VB1-1
(0.50 V)
PWM
Comp.1-1
PWM
Comp.1-2
PWM
Comp.1-3
PWM
Comp.1-4
VB1-2
(0.55 V)
VB1-4
(0.02 V)
VCC(O)1, 2
VSS(O)1, 2
OUT1-1
OUT1-2
OUT1-3
VG(O)1
OUT1-4
GND(O)1
GND(O)2, 3, 4
RB1
Drive
2-1
Drive
2-2
+
+
+
+
+
+
+
FB2
DTC2
−IN2
Error
Amp.2
SCP
Comp.2
1.26 V
1.0 V
PWM
Comp.2-1
PWM
Comp.2-2
OUT2-1
OUT2-2
Drive
3
+
+
+
+
+
+
FB3
DTC3
−IN3
Error
Amp.3
SCP
Comp.3
1.26 V
1.0 V
PWM
Comp.3
VCC(O)3, 4
VSS(O)3, 4, 5, 6
OUT3
Drive
4
+
+
+
+
+
+
FB4
DTC4
−IN4
Error
Amp.4
SCP
Comp.4
1.26 V
1.0 V
PWM
Comp.4
OUT4
Drive
5
+
+
+
+
+
+
FB5
-IN(C)5
DTC5
−IN5
Error
Amp.5
SCP
Comp.5
1.26 V
1.26 V
PWM
Comp.5
VCC(O)5, 6, 7
OUT5
Drive
6
+
+
+
+
+
+
FB6
OUT(A)6
−IN(A)6
10 k
48.5 k
30.1 k
−IN(C)6
DTC6
−IN6
Error
Amp.6
SCP
Comp.6
1.26 V
1.26 V
1.26 V
PWM
Comp.6
OUT6
RB7
GND(O)5, 6, 7
XENB1-6
VCC
CTL1-4, 7
OUT7
+
INV
Amp.6
+
VB : 2 V
VSCP
0.9 V
CS CTL
CTL1-4
Logic
Buff
Buff
×0.8
Power
Comp.
0.6 V
2 V
VB
RT
CT
CSCP
VREF
GND
2.5 V
−1.8 V
−1.1 V
−1.8 V
−1.1 V
−0.8 V
−0.3 V
UVLO
SCP
Ref
Power
ON/OFF
CTL
OSC
45
44
43
42
41
38
39
40
37
36
35
20
21
22
19
18
17
16
10
11
13
12
14
15
5
6
8
7
9
23
28
29
30
32
33
34
31
24
25
26
27
4
3
2
1
63
62
56
61
59
60
58
57
55
46
48
51
49
47
50
54
52
53
64
VB2
(0.04 V)
PWM
Comp.7
SCP
Comp.7
FB1
DTC1-1
−IN1
CH1
CH2
CH3
CH4
CH6
CH7
CH5
0.77 V
A
B
C


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