Voltage down-converter with reduced ripple
US7385377B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2005 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Oct 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A voltage-down converter for providing an output voltage lower than a power supply voltage of the converter is proposed. The converter includes voltage regulation means for obtaining an intermediate voltage corresponding to the output voltage from the power supply voltage by controlling a variable-conductivity element with a control signal resulting from a comparison between the intermediate voltage and a reference voltage, and an output stage for obtaining the output voltage from the power supply voltage by controlling a further variable-conductivity element with the control signal, wherein the further variable-conductivity element has a modular structure with at least one set of multiple basic modules, the converter further including means for enabling and/or disabling the modules of each set in succession according to a comparison between the output voltage and the intermediate voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.