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LM27313使能关断无效

Other Parts Discussed in Thread: LM27313, TPS62160

LM27313是一款升压DC2DC,/SHDN为使能关断管教,输入7.4V。

当/SHDN为高时,芯片输出正常,输出8V。

当其为低时,芯片输出为7V,不是关断该有的电压。

另外当输入大于8V时,该芯片设定为8V,是否可以正常工作?谢谢!