Power supply circuit
US10700596B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2019 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jul 25, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power supply circuit includes: a coil having a first end that receives an input voltage and a second end; a transistor connected to the second end of the coil; a first capacitor connected to the second end of the coil; and a surge protection circuit connected to the second end of the coil in parallel with the first capacitor. The surge protection circuit includes a diode, a second capacitor, and a resistance. The diode, the second capacitor, and the resistance are connected in series to the second end of the coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.