Switching power source apparatus and control method thereof
US8278885B2 · kind B2 · utility
0Cited by
6References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 30, 2011 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Aug 30, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/168
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A switching power source apparatus includes a converting unit to convert a voltage level of power, a first switch to switch power supplied to the converting unit, a second switch connected in series with the first switch and turned on after the first switch has been turned on, and a voltage clamp unit to clamp a level of a voltage applied across the series connection of the first switch and the second switch to a predetermined voltage or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.