Download Q0270RA Datasheet PDF
Fairchild Semiconductor
Q0270RA
Features - Internal Avalanche Rugged 700V Sense FET - Consumes only 0.8W at 230 VAC & 0.5W Load with Burst-Mode Operation - Precision Fixed Operating Frequency, 100k Hz - Internal Start-up Circuit and Built-in Soft-Start - Pulse-by-Pulse Current Limiting and Auto-Restart Mode - Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD) - Under-Voltage Lockout (UVLO) - Low Operating Current (3m A) - Adjustable Peak Current Limit Applications - Auxiliary Power Supply for PC and Server - SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile & Scanner - Adapter for Camcorder Description The FSQ0170RNA, and FSQ0270RNA, consists of an integrated current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V Sense FET. It is specifically designed for high-performance off-line Switch Mode Power Supplies (SMPS) with minimal external ponents. The integrated PWM controller features include: a fixed-frequency generating oscillator,...