FSQ0265RLX 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FSQ0265RLX

Green Mode Fairchild Power Switch (FPS™) for Valley Switching Converter – Low EMI and High Efficiency

Fairchild Semiconductor 

Application Circuit

Vo

AC

IN

Sync

PWM

Vfb

Vcc

Vstr

Drain

GND

Figure 1. Typical Flyback Application

Internal Block Diagram

Sync

4

Vfb

3

0.7V/0.2V

+

0.35/0.55

VCC

Vref

VBurst

-

Idelay

IFB

3R

R

Soft-

Start

+

-

PWM

Vstr

Vcc Drain

5

2 678

OSC

Vref

VCC Good

+

-

8V/12V

LEB

200ns

SQ

RQ

Gate

Driver

6V

VSD

Sync

6V

Vovp

TSD

2.5 s Time

Delay

VCC Good

SQ

RQ

AOCP

Figure 2. Internal Block Diagram

VOCP

(1.1V)

1

GND

FSQ0365RN Rev.00

© 2007 Fairchild Semiconductor Corporation

FSQ0365, FSQ0265, FSQ0165, FSQ321 • Rev. 1.0.6

3

www.fairchildsemi.com

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