Reference voltage generator and method for generating a...

Details Reference voltage generator and method for generating a... Reference voltage generator and method for generating a...

2005-09-09

2009-02-03

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

C323S316000, C323S907000, C327S513000

Reexamination Certificate

active

07486065

ABSTRACT:
The present invention is directed to a device and method for generating a reference voltage. A reference voltage generator comprises a first circuit, a second circuit, and an external device. The first circuit generates a positive temperature coefficient voltage. the second circuit is coupled to the first circuit, biased with a substantially constant current, produces a negative temperature coefficient voltage, and combines the negative temperature coefficient voltage with the positive temperature coefficient voltage as a reference voltage. The external device is coupled to the second circuit, and yields the substantially constant current.

REFERENCES:
patent: 5870049 (1999-02-01), Huang et al.
patent: 6586964 (2003-07-01), Kent et al.
patent: 7026860 (2006-04-01), Gheorghiu et al.

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