FS7M0880

更新时间： 2024-09-22 22:06:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
12页	279K
描述
Fairchild Power Switch(FPS)

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中文翻译

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数据手册

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FS7M0880 数据手册

www.fairchildsemi.com

FS7M0880

Fairchild Power Switch(FPS)

Features

Description

• Precision Fixed Operating Frequency

• FS7M0880(66kHz)

The Fairchild Power Switch(FPS) product family is specially

designed for an off line SMPS with minimal external

• Pulse By Pulse Over Current Limiting

• Over Load Protection

• Over Voltage Protection (Min. 25V)

• Internal Thermal Shutdown Function

• Under Voltage Lockout

• Internal High Voltage Sense FET

• Latch Up Mode

• Soft Start

components. The Fairchild Power Switch(FPS) consists of a

high voltage power SenseFET and the current mode PWM con-

troller IC. The PWM controller includes an integrated fixed

oscillator, the under voltage lock out, the leading edge blanking

block, the optimized gate turn-on/turn-off driver, the thermal

shut down protection, the over voltage protection, the tempera-

ture compensated precision current sources for loop compensa-

tion and an fault protection circuit. Compared to just PWM

controller combined MosFET or R switching converter solu-

tion, a Fairchild Power Switch(FPS) can reduce total compo-

nent price, design size, and weight,also simultaneously increase

efficiency, productivity, and system reliability. It has a simple

method of application well suited for cost down design in either

a flyback converter or a forward converter.

TO-3P-5L

1. DRAIN 2. GND 3. V

4. FB 5. S/S

Internal Block Diagram

#3 Vcc

Voltage

Ref.

UVLO

Good

Logic

Vcc

1mA

Drain

Vck

Feedback

5uA

OSC

2.5R

Soft Start

LEB

Voffset

Rsense

Sense

Source

GND

SenseFET

Reset

7.5V

Thermal

Protection

Reset

OVP

OCL

Control IC

Rev.1.0.1

12 3 4 5 6 7...12

中文翻译

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