Voltage reference circuit with fast enable and disable capabilities
US7626367B2 · kind B2 · utility
5Cited by
8References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 2006 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | Jan 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F1/56
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An integrated circuit for providing an output voltage substantially equal to a reference voltage includes: a low drop-out (LDO) regulator coupled to the reference voltage for producing the output voltage at an output terminal; a fast turn-on circuit coupled to the LDO regulator for quickly supplying an output current at the output terminal according to a first control signal; and a fast turn-off circuit coupled to the LDO regulator for quickly drawing a discharge current from the output terminal according to a second control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.