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LED电源的恒流方式可不可以用三极管或7805之类的器件恒流?恒流效果如何
三极管恒流精度不高,损耗也大
Hi
另外没有稳定的闭环反馈,可能造成输出不稳定而使得LED闪烁。
可以再做一级处理啊,LM358可以的
luck_gfb 说: 三极管恒流精度不高,损耗也大
是否恒流的电流大小不大