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LM2596相关的问题

Other Parts Discussed in Thread: LM317, LM2596

           我想请教下LM2596-adj的纹波通常情况下是多少,我的输入电压一大纹波就会变得很大,都快60mv了,这个应该怎样解决?

           还有是关于负载调整率的,我给输出端接不同的电阻,万用表测的电压基本不变,那是不是就说明负载调整率很高?还有线性电源的负载调整率是不是比开关电源的高?

           再一个问题,我想问一下电源的效率是怎样计算的,都说开关电源比线性电源高,可是我也做过LM317,感觉没多大区别

           在下刚刚起步电源,问题有点多