Charge pump circuit and electric appliance therewith
US7554385B2 · kind B2 · utility
15Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 2007 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Apr 23, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a charge pump circuit, the slew rate at which a clock signal is fed to charge transfer transistors is changed according to the output voltage. This configuration helps alleviate rush currents at start-up without unduly lowering efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.