| 摘要 |
In an example embodiment, there is disclosed a power supply that comprises a rectifier for receiving an alternating current, a boost circuit coupled to the rectifier and receiving the rectified alternating current, and a processor coupled to the boost circuit. The processor is operable to control the operation of the boost circuit. The processor is operable to control the boost circuit to provide a constant, regulated current to a load by controlling the voltage at the output of the boost circuit. The constant, regulated current provided to the load is independent of the magnitude of the alternating current
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