MB39A123 Datasheet, PDF (4/44 Pages) Fujitsu Component Limited. – 6 ch DC/DC Converter IC with Synchronous Rectification

MB39A123
■ PIN DESCRIPTIONS
Block
name
ch.1
ch.2
ch.3
ch.4
ch.5
ch.6
Pin No. Pin name
37
FB1
38
−INE1
39
CS1
35
OUT1-1
34
OUT1-2
43
DTC2
42
FB2
41
−INE2
40
CS2
33
OUT2
44
DTC3
45
FB3
46
−INE3
47
CS3
32
OUT3
14
DTC4
15
FB4
16
−INE4
17
CS4
31
OUT4
19
−INA
18
OUTA
23
DTC5
22
FB5
21
−INE5
20
CS5
30
OUT5
24
DTC6
25
FB6
26
−INE6
27
CS6
29
OUT6
I/O
Description
O ch.1• Error amplifier output terminal
I ch.1• Error amplifier inverted input terminal
⎯ ch.1• Soft-start setting capacitor connection terminal
O
ch.1• P-ch drive output terminal
(External main side FET gate driving)
O
ch.1• N-ch drive output terminal
(External synchronous rectification side FET gate driving)
I ch.2 • Dead time control terminal
O ch.2 • Error amplifier output terminal
I ch.2 • Error amplifier inverted input terminal
⎯ ch.2 • Soft-start setting capacitor connection terminal
O ch.2 • P-ch drive output terminal
I ch.3 • Dead time control terminal
O ch.3 • Error amplifier output terminal
I ch.3 • Error amplifier inverted input terminal
⎯ ch.3 • Soft-start setting capacitor connection terminal
O ch.3 • P-ch drive output terminal
I ch.4 • Dead time control terminal
O ch.4 • Error amplifier output terminal
I ch.4 • Error amplifier inverted input terminal
⎯ ch.4 • Soft-start setting capacitor connection terminal
O ch.4 • P-ch drive output terminal
I Inverting amplifier input terminal
O Inverting amplifier output terminal
I ch.5 • Dead time control terminal
O ch.5 • Error amplifier output terminal
I ch.5 • Error amplifier inverted input terminal
⎯ ch.5 • Soft-start setting capacitor connection terminal
O ch.5 • N-ch drive output terminal
I ch.6 • Dead time control terminal
O ch.6 • Error amplifier output terminal
I ch.6 • Error amplifier inverted input terminal
⎯ ch.6 • Soft-start setting capacitor connection terminal
O ch.6 • N-ch drive output terminal
(Continued)
4