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TPS26601 输入电压在42V时冒烟



在官网购买的 TPS26601 输入电压在42V时(R1=931K ,R2=332K,R3=30.1K,MODE悬空,IMON悬空,FLT接个100K 电阻到VOUT,SHDN悬空,输入接了0.1UF 50V电容,输出接了220UF 63V电解电容,RTN连接到GND),TPS26601 会开始冒烟,5秒左右TPS26601 彻底不工作,用万用表测量输入和输出已经是短路状态了,不知道为什么会烧?从4.3V-38V一直测试工作正常