Switching voltage regulator operating without a discontinuous mode
US7180274B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Apr 8, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching circuit operates with a first operating state and a second operating state. During the first operating state, the switching circuit allows a switching current to linearly increase. During the second operating state, the switching circuit allows the switching current to linearly decrease. A control circuit is coupled to the switching circuit for controlling the switching circuit to operate with the first operating state or the second operating state. A setting circuit generates a threshold signal for the control circuit to ensure that during the first operating state the switching current linearly increases to become higher than or equal to a current value set by the threshold signal. Thereby, the switching current is prevented from linearly decreasing to reverse polarity during the second operating state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.