Jittering frequency control circuit and method for a switching mode power supply
US9178414B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
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Key dates
| Filing date | Jan 30, 2012 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Aug 7, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/33507
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A jittering frequency control circuit and method for a switching mode power supply enlarge the uttering frequency range of the switching frequency of the switching mode power supply when the switching mode power supplier enters a frequency reduction mode, to improve the electro-magnetic interference of the switching mode power supply operating with the frequency reduction mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.