Stable current supply circuit irrespective of PVT variations and semiconductor having same
US8422280B2 · kind B2 · utility
2Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 2010 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Apr 12, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C13/0038
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A current supply circuit comprises a reference voltage generator generating a reference voltage that varies with temperature, a current circuit generating a constant reference current irrespective of the temperature based on the reference voltage, and a current source generating a mirror current by mirroring a base current as a replica current of the reference current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.