FL7733A Datasheet | Fairchild Semiconductor

- Primary-Side-Regulated LED Driver with Power Factor Correction December 2014 FL7733A Primary-Side-Regulated LED Driver with Power Factor Correction Features Performance - < ±3% Total Constant Current Tolerance Over All Conditions < ±1% Over Universal Line Voltage Variation < ±1% from 50% to 100% Load Voltage Variation < ±1% with ±20% Magnetizing Inductance Variation - Primary-Side Regulation (PSR) Control for Cost- Effective Solution without Requiring Input Bulk Capacitor and Secondary Feedback Circuitry - Application Input Voltage Range: 80 VAC - 308 VAC - High PF of >0.9, and Low THD of < 10% Over Universal Line Input Range - Fast < 200 ms Start-up (at 85 VAC) using Internal High-Voltage Startup with VDD Regulation - Adaptive Feedback Loop Control for Startup without Overshoot System Protection - LED Short / Open Protection - Output Diode Short Protection - Sensing Resistor Short / Open Protection - VDD Over-Voltage Protection (OVP) - VDD Under-Voltage Lockout (UVLO) - Over-Temperature Protection (OTP) - All Protections are Auto Restart (AR) - Cycle-by-Cycle Current Limit Applications...