FSL126HR Datasheet PDF - Fairchild

●Description

●The FSL126HR integrated Pulse Width Modulator (PWM) and SenseFET is specifically designed for high performance offline Switch-Mode Power Supplies (SMPS) with minimal external components. FSL126HR includes integrated high-voltage power switching regulators that combine an avalanche-rugged SenseFET with a current-mode PWM control block.

●Features

●■ Internal Avalanche-Rugged SenseFET (650V)

●■ Under 50mW Standby Power Consumption at 265VAC, No-load Condition with Burst Mode

●■ Precision Fixed Operating Frequency with Frequency Modulation for Attenuating EMI

●■ Internal Startup Circuit

●■ Built-in Soft-Start: 20ms

●■ Pulse-by-Pulse Current Limiting

●■ Various Protections: Over-Voltage Protection

●   (OVP), Overload Protection (OLP), Output-Short

●   Protection (OSP), Abnormal Over-Current

●   Protection (AOCP), Internal Thermal Shutdown

●   Function with Hysteresis (TSD)

●■ Auto-Restart Mode

●■ Under-Voltage Lockout (UVLO)

●■ Low Operating Current: 1.8mA

●■ Adjustable Peak Current Limit

●Applications

●■ SMPS for VCR, STB, DVD, & DVCD Players

●■ SMPS for Home Appliance

●■ Adapter