FA3621 데이터 시트보기 (PDF) - Fuji Electric
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FA3621 Datasheet PDF : 8 Pages
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FA3621F
s Block diagram
4
VREF
FB1 17
16
IN1–
CREF
5
Buffer
1V
Bias
VREG
12
2.67V
Bias
UVLO
Drive
bias
OHP Over- heat protection
Error Amp.
Pch
driver
FB2 15
IN2– 14
13
FB3
10
IN3–
11
IN3+
7
FB4
9
IN4–
IN4+ 8
18
FB5
20
IN5–
IN5+ 19
24
FB6
21
IN6–
Pch
driver
Pch
driver
Pch
driver
Pch
driver
Hi
Pch
driver
Nch
driver
Hi
6
CP
TIMER
LATCH
OHP
UVLO
46
VCC1
29
VCC2
37
VDRV
41
OUT1
40
(OPEN)
48 DT1
47 DT2
43
OUT2
44
OUT3
45 OUT4
38
OUT5
23 OUT6b
39
OUT6a
22
GND1
42 GND2
ON/OFF
35 34 33 28 27
Soft start
32 31 30 25 26
OSC
2 31
36 SYN
2
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