白光LED驱动电路分析  

Analysis of White-light LED Drive Circuit

作　　者：马永红[1] 李淑宏 郑率 

机构地区：[1]辽宁工业大学电子与信息工程学院,辽宁锦州121001 [2]航星集团有限公司,辽宁锦州121001 [3]锦州超高压局,辽宁锦州121000

出　　处：《辽宁工业大学学报（自然科学版）》2009年第3期150-153,共4页Journal of Liaoning University of Technology(Natural Science Edition)

摘　　要：白光LED作为新一代光源在移动电话、便携式电子设备背光源中得到广泛应用,其驱动电路的研究受到广泛关注。分析了电容开关型(电荷泵)、电感开关型LED驱动芯片的工作原理及特点,设计了适合背光源应用的LED驱动电路。White-light LED as a new-generation photosource was widely used in mobile phones and portableelectronic equipment. The drive circuit for the power source and its research had received extensive attention. Working principle of driver IC based on the switched capacitor and switch-type inductive were analyzed. LED drive circuits adaptive to backlight were designed.

关 键 词：驱动电路 电容式开关结构 电感式开关结构 背光源 

分 类 号：TN712[电子电信—电路与系统]