Voltage regulator, voltage regulating method thereof and...

Details Voltage regulator, voltage regulating method thereof and... Voltage regulator, voltage regulating method thereof and...

2007-08-02

2009-10-06

Patel, Rajnikant B (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S541000, C330S253000, C330S009000, C323S316000

Reexamination Certificate

active

07598801

ABSTRACT:
A voltage regulator and a voltage regulating method thereof and a voltage generator using the voltage regulator are disclosed by the present invention. The voltage regulator of the present invention uses a first switching unit and a second switching unit to respectively provide an operational transconductance amplifier (OTA) with different closed-loop feedback paths during a first period and a second period. In this way, an auto-zeroing unit is able to exactly store an input offset voltage presented between the inverting input terminal and the non-inverting input terminal of the OTA.

REFERENCES:
patent: 4543534 (1985-09-01), Temes et al.
patent: 5146476 (1992-09-01), Whitehead et al.
patent: 5512848 (1996-04-01), Yaklin
patent: 5686821 (1997-11-01), Brokaw
patent: 6034568 (2000-03-01), Bonaccio et al.
patent: 6228332 (2001-05-01), Dunn et al.
patent: 6643151 (2003-11-01), Nebrigic et al.

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