System and method for controlling current limit with primary side sensing
US6972969B1 · kind B1 · utility
78Cited by
33References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 19, 2004 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Aug 19, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/33523
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A primary side sensing power control system and method that controls the current limit such that it is maintained within a small range for any acceptable input voltages and causes the output voltage of a PWM controller to drop as the output load increases when the current limit is reached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.