Switching device and power supply circuit
US9923464B1 · kind B1 · utility
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1References
4Claims
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Key dates
| Filing date | Mar 1, 2017 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Mar 1, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/0036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching device includes first and switching elements connected in series, a capacitor connected to a gate of the first switching element, a diode having an anode connected between the capacitor and the gate of the first switching element and a cathode connected to a source of the first switching element. A capacitance of the capacitor is equal to or greater than a value calculated by a predetermined expression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.