전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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FA3621F 데이터 시트보기 (PDF) - Collmer Semiconductor
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FA3621F
CMOS IC For Switching Power Supply Control
Collmer Semiconductor
FA3621F Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
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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