| 摘要 |
<p>A switching power source is provided, which includes: a transformer; a switching unit configured to switch a voltage supplied to a primary side of the transformer; and an output unit configured to output a voltage generated at a secondary side of the transformer, wherein a switching cycle of the switching unit is set to be a predetermined cycle when the output unit outputs a first voltage, a first period of time and a second period of time of the switching cycle are set to be longer than the predetermined cycle and are set to be different from each other.</p> |
