| 摘要 |
A booster circuit according to the present invention includes a booster that connects a boosting condenser that is charged and a direct-current power source in series through a switch for a boosting operation in order to generate a boosted voltage and charges a smoothing condenser with the boosted voltage through a switch for an outputting operation. The switch for the boosting operation is composed of a plurality of switches connected in parallel and at least one of the plurality of switches can be controlled independently.
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