FAN7529 Fairchild Semiconductor, FAN7529 Datasheet - Page 14

• Manufacturer Part Number: FAN7529
• Description: Critical Conduction Mode PFC Controller
• Manufacturer: Fairchild Semiconductor

FAN7529 Rev. 1.0.0
© 2006 Fairchild Semiconductor Corporation
Typical Application Circuit
Features
Key Design Notes
1. Schematic
High efficiency (>90% at 85V
Low Total Harmonic Distortion (THD) (<10% at 265V
R1, R2, R5, C11 should be optimized for best THD characteristic.
Application
NTC
LF1
F1
Ballast
AC INPUT
BD
C3
C2
C1
V1
C4
Output Power
C5
AC
100W
R3
input)
C6
ZD1
R2
C10
R8
C8
R4
Figure 37. Schematic
V
1
8
INV COMP MOT
CC
V
AUX
C7
D1
Input Voltage
Universal input
OUT
(85~265V
7
FAN7529
2
AC
R1
14
input, 25W load)
R5
GND
3
C11
6
T1
AC
ZCD
4
5
CS
)
R6
D3
R9
R7
Q1
D2
Output Voltage
400V
R10
R11
FAN7529 Rev. 00
PFC OUTPUT
C9
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