Universal input miniature power supply with a single split transformer primary winding
US6529389B2 · kind B2 · utility
33Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Dec 5, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B40/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transformer connected to a power source, which consists of a primary coil, a secondary coil and a magnetic core, the secondary coil being configured to provide a regulated DC output voltage and/or current. The primary coil contains two portions, one portion being used to operate the transformer as a low voltage input converter and both portions being used when the transformer is used as a high voltage input converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.