Description

The AP1688 is a high performance AC/DC PFC and constant current controller for universal mains LED driver applications. The device is a buck controller which operates as a boundary conduction mode (BCM) to achieve high efficiency and easy EMI.

Features

• Optimized for Buck Topology

• Boundary Conduction Mode (BCM) Operation to Achieve High Efficiency

• High Power Factor > 0.9

• High Efficiency > 90

• System Current Accuracy: ±5

• Good Line Regulation and Load Regulation

• Low Start-up Current

• Tight CC Regulation Performance for Universal Input Mains Voltage Range

• Eliminates Control Loop Compensation Circuitry

• Easy EMI

• Open-load and Reload Detection

• Over Temperature Protection

• Over Current Protection

• Over Voltage and Short and Open Circuit Protection

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Applications

• Universal Mains LED lighting