想找一款电源管理IC,5V供电,驱动白光LED的,LED压降是3V,是3串18并 总计54颗灯珠,led的IF=60mA,最大电流是1080mA,可PWM控制,求推荐IC,谢谢
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推荐使用LM342x, 此外建议此类LED Driver 需求可以去TI官网的Webench在线仿真工具进行仿真,该工具会列出详细的所有方案,以及相关的电路参数和原理图,layout等等,非常好用。