FSL126HR

FSL126HR — Green Mode Fairchild Power Switch (FPS™) March 20111 FSL126HR Green Mode Fairchild Power Switch (FPS™) 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 Description The FSL126HR integrated Pulse Width Modulator (PWM) and SenseFET is specifically designed for highperformance 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. The integrated PWM controller includes: Under-Voltage Lockout (UVLO) protection, Leading-Edge Blanking (LEB), a frequency generator for EMI attenuation, an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection, and temperaturecompensated precision current sources for loop compensation and fault protection circuitry. The FSL126HR offers good soft-start performance. When compared to a dis...