AP1688集成电路（IC）的LED驱动器规格书PDF中文资料

AP1688属于集成电路（IC）的LED驱动器。由美台半导体制造生产的AP1688LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。

描述 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.

特性 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