| 摘要 |
According to an aspect of an embodiment, an electric circuit device includes: a first and second voltage supply units to be applied with a first and second voltages, respectively; a first capacitor connected to the first voltage supply unit; a first switch connected between the first voltage supplying unit and the first capacitor; a first load circuit connected to the second voltage supply unit; a second switch connected between the second voltage supply unit and the first load circuit; a third switch connected to connect the first capacitor with the first load circuit; and a switch controller for turning on either the third switch or the first switch, and for turning off the third switch while the second switch is turned on.
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