| 摘要 |
A power conversion circuit includes a driving circuit, an activating circuit, a converter and an auxiliary power source. The activating circuit receives a first power signal. The converter is used for converting the first power signal into a second power signal. The auxiliary power source is electrically connected to the activating circuit and the driving circuit. The auxiliary power source is driven by the driving circuit to issue either a first control signal to the activating circuit if the load is connected with the power conversion circuit or a second control signal to the activating circuit if the load is disconnected from the power conversion circuit. In response to the first control signal, the first power signal is converted into the second power signal and the second power signal is transmitted to the load. In response to the second control signal, the converter is disenabled.
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