| 摘要 |
<p>A switching mode power supply device according to an embodiment may include: a DC-DC convertor which includes a switching device, converts a DC voltage inputted by using the switching device into a DC voltage with a different level, and outputs the voltage; and a switching control part which outputs an output a switching control signal generated by using a signal detected from the DC-DC convertor, a control target signal of which level is increased from a point after an operation point to a predetermined point, and a duty level signal of which level is increased from the operation point to a constant point, and controls the operation of the switching device.</p> |
