| 摘要 |
An external power distribution architecture of a power supply, wherein the existing DC voltages V 1 , V 2 transformed from AC by the power supply are further transformed into the power used by external electronic devices plugged in external power ports. In the present invention, two different levels of DC voltages V 1 , V 2 transformed by the power supply are defined to be voltage sources, and two different levels of target DC voltages V 3 , V 4 output by the external power ports are respectively derived from the DC voltage sources V 1 , V 2 closest to corresponding target voltages V 3 , V 4 . Thereby, the present invention can balance power output and reduce transformation power loss.
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