FAN7530 Fairchild Semiconductor, FAN7530 Datasheet - Page 14

• Manufacturer Part Number: FAN7530
• Description: Critical Conduction Mode Pfc Controller
• Manufacturer: Fairchild Semiconductor

FAN7530 Rev. 1.0.2
© 2006 Fairchild Semiconductor Corporation
Typical application circuit
Features
Key Design Notes
1. Schematic
High efficiency (>90% at 85Vac input)
Low THD (total harmonic distortion) (<10% at 265Vac input, 25W load)
R1, R2, R5, C11 should be optimized for best THD characteristic.
NTC
Application
LF1
F1
Ballast
AC INPUT
BD
C3
C2
C1
V1
C4
Output Power
C5
100W
R3
C6
ZD1
R2
C10
R4
Figure 37. Schematic
V
INV
8
1
CC
V
R1
AUX
D1
Input Voltage
Universal input
MOT
2
(85~265Vac)
7
OUT
FAN7530
R8
C8
14
R5
COMP
C11
GND
6
3
T1
C7
5
ZCD
4
CS
R6
D3
R9
R7
Q1
D2
Output Voltage
400V
R10
R11
FAN7530 Rev. 00
PFC OUTPUT
C9
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