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关于FESR与Fsw之间的关系?



请问各种控制模式下ESR的转折频率(2PI*ESR*C)与开关频率(Fsw)的关系是??在之前看到TI的slva453-D CAP文章里写到D-CAPmode要求ESR>VOUT*12mv/Vref*Iripple,这个公式是怎么得来的啊?