| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply circuit capable of supplying a stable voltage. <P>SOLUTION: A power supply circuit has: a switching power supply; a power supply device that operates by an output voltage from the switching power supply; a correction signal circuit that outputs a correction signal based on a time change of a current in the power supply device; and a voltage control circuit that controls the output voltage of the switching power supply based on the correction signal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
