Voltage booster with an acceleration circuit
US5768115A · kind A · utility
20Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1997 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | May 14, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C5/145
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage booster comprising a charge pump for generating a boost voltage over a boost line. The booster comprises a comparator which is supplied by a voltage divider with a voltage proportional to the boost voltage, and by a reference source with a low reference voltage, and which, depending on the outcome of the comparison, enables or disables the charge pump. A voltage limiter is connected between the boost line and ground; and a acceleration circuit accelerates the voltage increase on the acceleration line following low-power operation in which the paths toward ground are interrupted for reducing consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.