摘要 |
An exemplary voltage regulating circuit for a motherboard includes a selecting switch and a first switch module, the selecting switch comprising a first input terminal arranged to receive a standby power provided by a power supply, a first control terminal arranged to receive a state signal from the motherboard via a first switch module controlled by a power good signal generated by the power supply, and an output terminal, wherein, when the motherboard is turned off, the state signal is at a high level and the first switch module is turned on by the power good signal for turning off the selecting switch to stop outputting the standby power.
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