产品接入适配器(输入电压12V),负载端断开,仅为电池端充电,当电池充满时,管脚STAT输出高电平。此时拔下适配器再插上时,管脚输出电平不稳定,充电指示状态不明确。插拔适配器时负载端也是断开仅给电池端充电,为什么STAT管脚输出状态不稳?
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