參數(shù)資料
型號(hào): MB3825A
廠商: Fujitsu Limited
英文描述: 6-ch DC/DC Converter IC With Synchronous Rectifier
中文描述: 6通道DC / DC轉(zhuǎn)換同步整流集成電路
文件頁(yè)數(shù): 30/39頁(yè)
文件大?。?/td> 465K
代理商: MB3825A
MB3825A
30
I
APPLICATION EXAMPLE
General view
A
38
39
45
44
40
B
FB1
1.5 V
+
+
+
+
+
+
+
+
+
Error
SCP
IN(E)1
IN(C)1
FB2
IN(E)2
1.5 V
70 mV
PWM
PWM
Drive
1-1
Drive
1-2
46
41
43
51
< CH1>
42
VCC(O)1
,
3
CB1-1
CB2-1
OUT1-1
OUT2-1
VB1
V
O
1(3.2 V)
A
V
O
2(5.05 V)
B
V
O
4(4.89 V)
D
V
O
3(15 V)
C
36
37
35
1.5 V
1.5 V
SCP
<CH2>
<CH3>
<CH4>
<CH5>
<CH6>
Drive
2
Drive
3
Drive
4-1
Drive
4-2
50
47
48
49
54
55
56
52
53
VCC(O)2
CB2-2
560 pF
560 pF
CB1-2
OUT1-2
CB1-3
CB2-3
59
63
58
57
62
2
1
3
CB1-4
CB2-4
OUT1-4
VB4
OUT2-4
CB1-5
CB2-5
6
5
CB1-6
CB2-6
VB6
GND(O)4
,
5
,
6
OUT1-6
VB5
OUT1-5
OUT1-3
VB3
GND(O)1
,
2
,
3
VB2
Error
PWM
PWM
IN(C)2
C
+
+
+
+
+
+
+
FB3
CTL2
IN(E)3
33
29
34
31
32
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
Error
Error
Error
SCP
SCP
IN(C)3
D
FB4
IN(E)4
19
18
20
IN(C)4
E
FB5
IN(E)5
16
15
14
17
IN(C)5
H
:
ON(CH3)
L
:
OFF
SCP
+
+
DTC3
+
+
+
+
70mV
PWM
PWM
V
O
5(4.5 V)
E
VCC(O)4
,
5
,
6
60
V
O
6(4.5 V)
F
Drive
5
64
PWM
PWM
0.6 V
+
+
+
+
+
Error
SCP
SCP
F
FB6
IN(E)6
11
10
9
13
8
12
IN(C)6
+
+
0.6 V
+
IN(E)5
+
IN(E)6
OVP5, 6
V
IN
(6V)
7
61
28
30
25
24
27
22
V
CC
Comp.
0.65 V
SCP
26
CS
CSCP
Buff
1
μ
A
1
μ
A
1.5 V
SComp.
23
SCP
UVLO
OSC
Ref
Power
1.35V
0.65V
0.65V
VCC
CTL1
GND2
GND1
1.5 V
VREF
21
RT
39 k
CT
0.033
μ
F
0.033
μ
F
0.033
μ
F
0.033
μ
F
0.033
μ
F
0.033
μ
F
VFB1
V
OUT
1-1
V
OUT
2-1
V
C
1
V
O
1
560 pF
22 k
22 k
22 k
22 k
22 k
22 k
10
μ
H
4.7
μ
F
10
μ
H
4.7
μ
F
10
μ
H
4.7
μ
F
U1FWJ44N
U1FWJ44N
6.8
μ
F
68
μ
H
33
μ
H
30
2SK2316
13.5 k
3.5 k
15 k
23.5 k
12 k
15 k
42.5 k
2.5 k
5 k
13.5 k
7.5 k
9.3 k
30 k
15 k
30 k
15 k
30 k
120 k
FMMT717
FMMT717
6.8
μ
F
50
750
2.2
μ
F
2SB1121
1SS196
560 pF
FMMT717
2SK2316
50
U1FWJ44N
6.8
μ
F
33
μ
H
100
FMMT717
FMMT717
U1FWJ44N
2.2
μ
F
560 pF
560 pF
47
μ
H
100
2.2
μ
F
47
μ
H
U1FWJ44N
Drive
6
4
10
μ
H
4.7
μ
F
V
CT
100 pF
0.1
μ
F
0.1
μ
F
A
B
C
H : ON (CH1,2,4 to 6)
L : OFF (standby state)
FMMT717 : ZETEX plc.
2SB1121 : SANYO Electric Co., Ltd.
2SK2316 : SANYO Electric Co., Ltd.
1SS196 : TOSHIBA CORPORATION
U1FWJ44N : TOSHIBA CORPORATION
Over voltage
threshold
setting
voltage
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