Switching regulator and control circuit and control method therefor
US9614437B2 · kind B2 · utility
3Cited by
0References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Dec 23, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, a switching control signal with decreasing on time is generated to control a power switch in a second mode so that audio noise can be avoided when the switching regulator operates in a light loaded or unloaded condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.