| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switching power supply capable of switching control at a desired frequency without using a plurality of oscillators. <P>SOLUTION: The switching power supply includes a microcomputer 1 as an arithmetic processing unit operating on a clock and is configured to operate with a clock frequency of the microcomputer 1 as a switching frequency and to vary a switching frequency by varying only an oscillating frequency of the clock frequency. <P>COPYRIGHT: (C)2010,JPO&INPIT |
