KA1H0380

更新时间： 2024-11-05 22:26:35

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	78K
描述
Fairchild Power Switch(SPS)

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中文翻译

获取价格

数据手册

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KA1H0380 数据手册

www.fairchildsemi.com

KA1L0380B/KA1L0380RB/KA1M0380RB/

KA1H0380RB

Fairchild Power Switch(SPS)

Features

Description

• Precision fixed operating frequency

The SPS product family is specially designed for an off-line

SMPS with minimal external components. The SPS consist of

high voltage power SenseFET and current mode PWM control-

ler IC. PWM controller features integrated fixed oscillator,

under voltage lock out, leading edge blanking, optimized gate

turn-on/turn-off driver, thermal shut down protection, over volt-

age protection, temperature compensated precision current

sources for loop compensation and fault protection circuit.

Compared to discrete MOSFET and controller or RCC switch-

ing converter solution, a SPS can reduce total component count,

design size, weight and at the same time increase & efficiency,

productivity, and system reliability. It has a basic platform well

suited for cost effective design in either a flyback converter or a

forward converter.

•

KA1L0380B/KA1L0380RB (50KHz)

KA1M0380RB (67KHz)

KA1H0380RB (100KHz)

• Pulse by pulse over current limiting

• Over load protection

• Over voltage protection (Min. 23V)

• Internal thermal shutdown function

• Under voltage lockout

• Internal high voltage sense FET

• Auto restart (KA1L0380RB/KA1M0380RB/KA1H0380RB)

TO-220F-4L

1. GND 2. DRAIN 3. V

4. FB

Internal Block Diagram

#3 V

#2 DRAIN

32V

Vref

Internal

bias

SFET

Good

logic

OSC

5µA

1mA

−

#4 FB

L.E.B

0.1V

2.5R

#1 GND

−

7.5V

25V

Thermal S/D

OVER VOLTAGE S/D

Power on reset

−

Rev. .5.0

12 3 4 5 6 7...12

中文翻译

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