| 摘要 |
An electronic device includes a power supply, a current measuring unit, a converter, a plurality of devices, and a control unit. The current measuring unit measures a current value of current that is output from the power supply. The voltage and the current from the power supply are input into the converter, and the converter converts the input voltage into voltage of a different voltage value, and outputs the voltage thus converted and the current. The control unit controls the converter to output voltage of a voltage value corresponding to a minimum current value measured by the current measuring unit, in which the voltage is voltage of a voltage value between a maximum value of lower limit voltage and a minimum value of upper limit voltage within an operating voltage range of one or a plurality of devices that operate in the energy saving mode.
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