Description
The AP1682 is a high performance AC/DC universal input Primary Side Regulation Power Factor Controller for LED driver applications. The device uses Pulse Frequency Modulation (PFM) technology to regulate output current while achieving high power factor and low THD.

FEATUREs
• Primary Side Control for Output Current Regulation without Opto-coupler and Secondary CV/CC Control Circuitry
• Low Start-up Current
• High Power Factor and Low THD for Universal Input Range
• Tight CC Regulation Performance for Universal Input Mains Voltage Range
• Eliminates Control Loop Compensation Circuitry
• Built-in Acceleration Start
• Open-load and Reload Detection
• Over Voltage and Short Circuit Protection
• Over Temperature Protection
• Over Current Protection
• Cost Effective Total PFC LED Driver Solution
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)

APPLICATIONs
• Single Stage Power Factor Correction Power Supply for LED Lighting