| 摘要 |
<p>Provided is a power supply device comprising: a full bridge circuit including first to fourth switches configured to switch input power from a power input unit, wherein the first and second switches and the third and fourth switches are connected in parallel to both ends of the power input unit, respectively; a resonance unit connected between a first connection node between the first switch and the second switch and a second connection node between the third switch and the fourth switch; a transformer having a primary winding and a secondary winding connected in series to the resonance unit; a rectifier circuit rectifying and outputting a voltage transferred from the secondary winding; a sensing unit acquiring at least one among an output current and an output voltage outputted from the rectifier circuit; and a control unit controlling the first to third switches or the second to fourth switches in the full bridge circuit based on at least one of the output current and the output voltage acquired by the sensing unit.</p> |
