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零件编号
产品描述 (功能)
FAN7529M 查看數據表(PDF) - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
FAN7529M
Critical Conduction Mode PFC Controller
Fairchild Semiconductor
FAN7529M Datasheet PDF : 20 Pages
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Typical Application Diagrams
AC
IN
L
D
V
O
V
AUX
N
AUX
R
ZCD
R2
ZCD
C
O
V
CC
FAN7529
INV
MOT
CS
COMP
R1
GND
FAN7529 Rev. 00
Figure 1. Typical Boost PFC Application
Internal Block Diagram
V
CC
8
UVLO
12V 8.5V Disable
ZCD 5
6.7V
1.4V 1.5V
Zero Current
Detector
2.5V
Ref
V
ref1
Internal
Bias
Timer
S
Q
R
V
CC
Drive
Output
7 OUT
OVP
2.675V 2.5V
CS 4
40k
8pF
0.8V
Current Protection
Comparator
Ramp
Signal
MOT 3
Saw Tooth
Generator
2.9V
1V Offset
Disable
0.45V 0.35V
Error
V
ref1
Amplifier
Gm
1V~5V
Range
1 INV
6
GND
2
COMP
Figure 2. Functional Block Diagram of FAN7529
FAN7529 Rev. 00
© 2006 Fairchild Semiconductor Corporation
FAN7529 Rev. 1.0.2
2
www.fairchildsemi.com
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