【摘要】 介绍了一种LED手术无影灯的亮度控制器,执行器选用LM3404芯片构成高亮度LED恒流控制器。论文比较了常用的LED调光电路的优劣,对LM3404的亮度控制器器进行了详细的分析计算,该亮度控制器已经用于LED手术无影灯项目产品中。更多还原

【Abstract】 This paper introduces a LED operation shadowless lamp brightness controller,actuator selection LM3404 chip high brightness LED constant current controller. The paper compared the commonly used LED dimming circuit of the pros and cons,brightness controller to LM3404 is analyzed and calculated in detail,the brightness of the controller has been used in LED operation shadowless lamp project product.更多还原