MB3881 Datasheet, PDF (3/40 Pages) Fujitsu Component Limited. – 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

s PIN DESCRIPTION
Pin No.
47
46
CH1
48
50
51
44
43
CH2
45
53
54
41
40
CH3
42
56
38
37
CH4
39
57
20
21
22
CH5
23
19
60
CH5, CH6 18
14
15
16
CH6
17
13
61
10
11
CH7
12
9
62
Symbol
FB1
−IN1
DTC1
OUT1-1
OUT1-2
FB2
−IN2
DTC2
OUT2-1
OUT2-2
FB3
−IN3
DTC3
OUT3
FB4
−IN4
DTC4
OUT4
FB5
−IN5
+IN5
−IN5 (C)
DTC5
OUT5
OVP
FB6
−IN6
+IN6
−IN6 (C)
DTC6
OUT6
FB7
−IN7
+IN7
DTC7
OUT7
I/O
Descriptions
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Dead time control pin.
O Main side output pin.
O Synchronous rectifier side output pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Dead time control pin.
O Main side output pin.
O Synchronous rectifier side output pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Dead time control pin.
O Output pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Dead time control pin.
O Output pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Error amplifier non-inverted input pin.
I Short detection comparator input pin.
I Dead time control pin.
O Output pin.
I Output maximum voltage setting pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Error amplifier non-inverted input pin.
I Short detection comparator input pin.
I Dead time control pin.
O Output pin.
O Error amplifier output pin.
I Error amplifier inverted input pin.
I Error amplifier non-inverted input pin.
I Dead time control pin.
O Output pin.
MB3881
(Continued)
3