有些大陆厂家山寨的AMS1117系列LDO内置的过热保护是坏的,一短路就烧毁……

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@Soybean 被1117坑過一次是發現5v轉3.3v有些可以有些不行,大廠的可以國產的不行,壓降大到不可容忍

@nil LM1117这种PNP LDO本来就不适合低压降需求的场合,低压降用NMOS LDO(比如我喜欢RT90x3系列,虽然小贵)
还有就是LM1117的bandwidth比较小,全陶瓷电容可能不稳定

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