我有一个TPS5450,可通过24V输入调节14V电压。 当输入电源发生故障时,TPS5450断路引脚被拉低。 当14V输出衰减时,电源路径FET切换至9V电池以向下游系统供电。 但是,蓄电池也会将电压施加到PH引脚上(通过电感器)。
这是否会导致任何内部问题?
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