通过这个公式计算的零点频率为677KHZ,文档中是338KHZ,是哪里不对吗?
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Hi
ESR是10mohm, Cout是47uF, 1/(2*3.14*10mohm*47uF)=338kHZ
你是不是漏了公式下的2?.
Hi
datasheet 37页: The example application is using a low ESR ceramic capacitor with 10mΩ of ESR making the zero at 338 kHz.