FAN7527BN 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN7527BN

Power Factor Correction Controller

Fairchild Semiconductor 

PIN Description

FAN7527B

INV 1

EA_OUT 2

MULT 3

CS 4

(Top View)

8 Vcc

7 OUT

6 GND

5 ldet

Pin Number

1

2

3

4

5

6

7

8

Pin Name

INV

EA_OUT

MULT

CS

ldet

GND

OUT

Vcc

Pin Function Description

Inverting input of the error amplifier. the output of the boost converter

should be resistively divided to 2.5V and connected to this pin.

The output of the error amplifier. a feedback compensation network is

placed between this pin and the INV pin.

Input to the multiplier stage. the full-wave rectified ac voltage is

divided to less than 2V and is connected to this pin.

Input of the PWM comparator. the MOSFET current is sensed by a

resistor and the resulting voltage is applied to this pin. an internal R/C

filter is included to reject any high frequency noise.

Zero current detection input.

The ground potential of all the pins.

Gate driver output. the push pull output stage is able to drive the

power MOSFET with peak current of 500mA.

Supply voltage of driver and control circuits.

3

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