FAN7529 Просмотр технического описания (PDF) - Fairchild Semiconductor

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производитель

FAN7529

Critical Conduction Mode PFC Controller

Fairchild Semiconductor 

Typical Application Circuit

Application

Output Power

Input Voltage

Ballast

100W

Universal input

(85~265VAC)

Features

„ High efficiency (>90% at 85VAC input)

„ Low Total Harmonic Distortion (THD) (<10% at 265VAC input, 25W load)

Key Design Notes

„ R1, R2, R5, C11 should be optimized for best THD characteristic.

1. Schematic

Output Voltage

400V

BD

NTC

C3 C4

C2

LF1

C1

V1

F1

AC INPUT

C5

R3

T1

VAUX

D2

R4

C10

R5

D3

Q1

ZD1

C11

R6

D1

87

6

5

VCC OUT GND ZCD

R9

R2

FAN7529

INV COMP MOT CS

1

2

3

4

R8

R7

C8 C7 R1

C6

Figure 37. Schematic

PFC OUTPUT

R10

C9

R11

FAN7529 Rev. 00

© 2006 Fairchild Semiconductor Corporation

FAN7529 Rev. 1.0.2

14

www.fairchildsemi.com

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