| 摘要 |
A power-supply device has a DC power supply, a load, a booster circuit disposed between the DC power supply and the load, wherein the booster circuit supplies a voltage at the DC power supply to the load while boosting the voltage, a bypass element disposed between the DC power supply and the load, wherein the bypass element constitutes a bypass path with respect to the booster circuit, a controller that controls an operation of the booster circuit, a first switching element that drives the bypass element in a first driving path, and a second switching element that drives the bypass element in a second driving path.
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