基于MAX1916的亮度可调LED驱动电路  

Development of LED Lightness Control Circuit Based on MAX1916

作　　者：李良成[1] 张永顺[1] 李忠红[1] 

机构地区：[1]白求恩军医学院医学影像教研室,河北石家庄050081

出　　处：《现代显示》2008年第7期45-46,共2页Advanced Display

摘　　要：发光二极管(LED)具有耗能少、寿命长、成本低等特点,近年来得到广泛应用。介绍了一种基于MAX1916芯片的亮度可调的LED驱动电路,利用改变脉宽的方法来改变LED的发光强度。Recently, LED has been applied widely. It has the characteristics of less consumption, longer life and lower cost. This article will introduce a sort of drive current of LED which is based on MAX1916.It adjusts the brightness of LED by changing the breadth of impulse.

关 键 词：发光二极管 驱动 脉宽 

分 类 号：TN312.8[电子电信—物理电子学]