基于定频PWM控制器HV9931的单级PFC LED灯电源设计  

Design of Single-stage PFC LED Lamp Power Supply Based on Fixed Frequency PWM Controller HV9931

作　　者：刘永良[1] 

机构地区：[1]临沂师范学院工程学院,山东临沂276005

出　　处：《电源技术应用》2006年第9期28-32,共5页Power Supply Technologles and Applications

摘　　要：HV9931是利用单级PFC Buck Boost-buck拓扑控制高亮度LED串设计的固定频率PWM控制器IC。重点介绍了基于HV9931的单级PFC LED灯驱动器电路工作原理及设计方法。The HV9931 is a fixed frequency PWM controller IC designed to control strings of high-bright LEDs. The working principle and the design method of single-stage PFC LED lamp driving circuit based on HV9931 are introduced.

关 键 词：HV9931 单级PFC LED灯 驱动器 

分 类 号：TN86[电子电信—信息与通信工程]