Apparatus for and method of adjusting a switching regulator output for a circuit having a pre-charge voltage
US6922041B2 · kind B2 · utility
15Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | May 31, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching regulator target voltage is adjusted to a first value corresponding to a pre-charge voltage that is present at a regulator output terminal. The switching regulator responds to a comparison signal resulting from a comparison of the target voltage and a feedback voltage. When the switching regulator is on, the target voltage is adjusted to a second value corresponding to a nominal regulator output voltage. In one embodiment, a synchronous switch is disabled when a lockout circuit receives a disable signal. The lockout circuit is unlocked when an enable signal is provided by a switching controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.