| 摘要 |
<p>A power supply in which power conversion efficiency is enhanced in all operation modes by supplying power to a load (60) from any one or both of first power supply circuit (20) and second power supply circuit (40), detecting the operation mode of the load (60) through an operation mode detecting means (65), and controlling switches (11, 12) depending on the operation mode of the load (60) to select a power supply circuit for supplying power to the load (60).</p> |
