Datasheet Summary
July 2014
FL7733 Primary-Side-Regulated LED Driver with Power Factor Correction
Features
High Performance
- Cost-Effective Solution without Requiring Input Bulk
Capacitor and Secondary Feedback Circuitry
- Power Factor Correction
- THD <10% Over Universal Line Range
- Constant Current Tolerance:
< ±1% Over Universal Line Voltage Variation < ±1% by 50%
- 100% Load Voltage Variation < ±1% by ±20% Magnetizing Inductance Variation
- High-Voltage Startup with VDD Regulation
- Adaptive Feedback Loop Control for Startup without
Overshoot
High Reliability
- LED Short / Open Protection
- Output Diode Short Protection
- Sensing Resistor Short / Open Protection
- VDD Over-Voltage Protection (OVP)
-...
