Control circuit of a switched-mode power converter and method thereof
US9036377B2 · kind B2 · utility
7Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2012 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K4/502
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for controlling voltage crossing a power switch of a switched-mode power converter includes the steps of: controlling a switch frequency of the power switch of the switched-mode power converter to a first frequency as activating the switched-mode power converter; and then changing the switch frequency of the power switch to a second frequency after the switched-mode power converter is activated for a predetermined time; wherein the first frequency is lower than the second frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.