| 摘要 |
A power supply control device includes a switch element that is provided between a power supply and a load, an on-off control section that controls to turn on and off the switch element, and a voltage detecting section that detects a voltage supplied from the power supply to the load. The on-off control section controls to turn on the switch element intermittently and shortens a duty ratio of an on-time period of the switch element in accordance with an increase of the supplied voltage detected by the voltage detecting section.
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