FS6S1565RB 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FS6S1565RB

Fairchild Power Switch(FPS)

Fairchild Semiconductor 

FS6S1565RB

Fairchild Power Switch(FPS)

www.fairchildsemi.com

Features

• Wide operating frequency range up to 150Khz

• Internal Burst mode Controller for Stand-by mode

• Pulse by pulse over current limiting

• Over current protection(Auto restart mode)

• Over voltage protection (Auto restart mode)

• Over load protection(Auto restart mode)

• Internal thermal shutdown function(Auto restart mode)

• Under voltage lockout

• Internal high voltage sense FET

• Eternal sync terminal/Soft start

Description

The Fairchild Power Switch(FPS) product family is specially

designed for an off-line SMPS with minimal external

components. The Fairchild Power Switch(FPS) consist of

high voltage power SenseFET and current mode PWM IC.

Included PWM controller features integrated fixed oscillator,

under voltage lock out, optimized gate turn-on/turn-off

driver, thermal shut down protection, over voltage protection,

and temperature compensated precision current sources for

loop compensation and fault protection circuitry. compared to

discrete MOSFET and controller or RCC switching

converter solution, a Fairchild Power Switch(FPS) can

reduce total component count, design size, and weight and at

the same time increase efficiency, productivity, and system

reliability. It has a basic platform well suited for cost

effective monitor power supply.

TO-3P-5L

1

Internal Block Diagram

Vref Vpp=5.8/7.2V

5

Vfb

Vth=1V

Vcc

Vth=11V/12V

OSC

Vref

Burst mode

controller

4

2.5R

Ifb

R

Vref

Vcc

Idelay

Vth=7.5V

Vcc

Vth=30V

OLP

OVP

UVLO Reset

(Vcc=9V)

SQ

R

Internal

Bias

Vref

UVLO

S

Q

R

PWM

3

1

Ron

Roff

Vfb Offset

QS

R

OCL Filter

(130nsec)

Rsenese

Vth=1V

2

TS

(Tj=D160℃)

UVLO Reset

(Vcc=9V)

©2001 Fairchild Semiconductor Corporation

Rev.1.0.1

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