Power supply device having improved power conversion efficiency in light load conditions
US9112424B2 · kind B2 · utility
2Cited by
24References
8Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 11, 2013 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Jun 15, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a phase shift full bridge (PSFB) type power supply device controlling a switching on time of lagging leg switches according to a load state. The power supply device includes a power supply unit supplying preset DC power by switching input power using a full bridge by a phase shift method; and a control unit controlling a switching time of a switch of the full bridge according to a load state in which the DC power is received from the power supply unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.