MB3827 Datasheet, PDF (3/41 Pages) Fujitsu Component Limited. – 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

MB3827
s PIN DESCRIPTION
Pin No.
45
44
43
42
41
CH 1
52
50
47
49
48
38
39
CH 2 40
55
57
37
36
CH 3
35
60
20
21
CH 4
22
61
19
18
CH 5 17
16
62
Symbol
FB1
–IN1
DTC1-1
DTC1-3
DTC1-4
OUT1-1
OUT1-2
RB1
OUT1-3
OUT1-4
FB2
–IN2
DTC2
OUT2-1
OUT2-2
FB3
–IN3
DTC3
OUT3
FB4
–IN4
DTC4
OUT4
FB5
–IN5
–IN(C)5
DTC5
OUT5
I/O
Descriptions
O Channel 1 error amplifier output pin.
I Channel 1 error amplifier inverted input pin.
I Channel 1 step-down main side dead time control pin.
I Channel 1 step-up main side dead time control pin.
I Channel 1 step-up synchronous rectifier side dead time control pin.
O Channel 1 step-down main side output pin.
O Channel 1 step-down synchronous rectifier side output pin.
— Channel 1 step-up main side output current setting pin.
O Channel 1 step-up main side output pin.
O Channel 1 step-up synchronous rectifier side output pin.
O Channel 2 error amplifier output pin.
I Channel 2 error amplifier inverted input pin.
I Channel 2 dead time control pin.
O Channel 2 main side output pin.
O Channel 2 synchronous rectifier side output pin.
O Channel 3 error amplifier output pin.
I Channel 3 error amplifier inverted input pin.
I Channel 3 dead time control pin.
O Channel 3 output pin.
O Channel 4 error amplifier output pin.
I Channel 4 error amplifier inverted input pin.
I Channel 4 dead time control pin.
O Channel 4 output pin.
O Channel 5 error amplifier output pin.
I Channel 5 error amplifier inverted input pin.
I Channel 5 short detection comparator input pin.
I Channel 5 dead time control pin.
O Channel 5 output pin.
(Continued)
3