Click to expand full text
FL7732 — Single-Stage PFC Primary-Side-Regulation Offline LED Driver
October 2012
FL7732 Single-Stage PFC Primary-Side-Regulation Offline LED Driver
Features
Cost-Effective Solution: No Input Bulk Capacitor or
Feedback Circuitry
Power Factor Correction Accurate Constant-Current (CC) Control,
Independent Online Voltage, Output Voltage, and Magnetizing Inductance Variation
Linear Frequency Control Improves Efficiency and
Simplifies Design
Open-LED Protection Short-LED Protection Cycle-by-Cycle Current Limiting Over-Temperature Protection with Auto Restart Low Startup Current: 20 μA Low Operating Current: 5 mA VDD Under-Voltage Lockout (UVLO) Gate Output Maximum Voltage Clamped at 18 V SOP-8 Package Application Voltage Range: 80 VAC ~ 308 VAC
Applications
LED