你好,按照LMR16030的规格书进行RENT和RENB值的计算,但是实际测试时,关断电压阈值差别较大,请问是什么原因?
启动电压设置24V,关断电压在20V,电阻分别为1M和56K
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Hi
换成1.1Mohm. 55.2kohm看看,找尽量接近的电阻值,然后测试开启和关闭,在24V, 和20V左右就可以,原因是公式中无论是Ihys, Ien都是典型值。