一般高有效的LDO EN使能pin 在应用时 很多工程师喜欢加下拉电阻 ,请问 加下拉电阻的作用是什么? 一般建议加多大适合?
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Hi
看具体芯片的需求,确保EN正常的门槛电压需求。
TI这边加下拉电阻的电路应该很少,一般加除了是分压,也可能是考虑ESD.