大功率LED的温度补偿技术及其应用  

The Temperature Compensation Technology of the High-Power LED and Its Application

作　　者：沙占友 孟志永[1] 

机构地区：[1]河北科技大学,河北石家庄050054

出　　处：《电源技术应用》2011年第4期60-64,共5页Power Supply Technologles and Applications

摘　　要：采用温度补偿技术,是提高LED照明灯工作寿命的有效措施。阐述大功率LED的温度补偿方案及温度补偿的基本原理,分别介绍了LED驱动器、HB-LED驱动控制器的温度补偿电路设计。The use of temperature compensation technology is the adopted effective measures to improve the working life of the LED Lighting. Described the scheme and the basic principle of the temperature compensation of the High-Power LED, introduced the LED driver, design of the temperature compensation circuit of HB-LED controller.

关 键 词：LED驱动器 温度补偿 负温度系数热敏电阻器 起始点 斜率 

分 类 号：TN86[电子电信—信息与通信工程]