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