SPGP0380A 参数 Datasheet PDF下载

January 2011

SP

PGP0380A-Pre

eliminary

SPGP0380A

VER :

Preliminary_2

( SEMIHOW POWER SWITCH )

FEATURES



Variable frequency operation



Low Start-up Current(Typ.100uA )



Pulse by Pulse Current Limiting



Over Current Protection



Over Voltage Protection (Min. 20)



Internal Thermal Shutdown Function



Under Voltage Lockout



Internal High Voltage Sense FET



Auto-Restart Mode



Frequency Modulation for low EMI



Advanced Burst-Mode Operation

APPLICATION



SMPS for STB, SVR, DVD & DVCD



SMPS for Printer, Facsimile & Scanner



Adaptor

DESCRIPTION

The SemiHow Power Switch product family is specially designed for an off-line SMPS with minimal external components.

The SemiHow Power Switch consists of a high voltage power SenseFET and a current mode PWM IC.

It has a basic platform well suited for the cost effective design in either a flyback converter

INTERNAL BLOCK DIAGRAM

◎ SEMIHOW REV.PLIMILARY” January 2011