| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem in a conventional system that its circuit configuration becomes large and requires a large footprint at its setting to equipment, since it is provided with a plurality of switching power circuits for a plurality of loads, and further a noise countermeasure is taken in the basic unit of each switching power circuit. SOLUTION: As a noise countermeasure in the plurality of switching power circuits 14, a filter circuit 15 and a smoothing circuit 16 in common are provided, and a plurality of switching power circuits 14 are connected in parallel with the filter circuit 15 and smoothing circuit 16, thereby a noise countermeasure is facilitated, and moreover, its configuration can be simplified, and its setting space to equipment can be made small. COPYRIGHT: (C)2011,JPO&INPIT
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