Voltage regulator with virtually zero power dissipation

Details Voltage regulator with virtually zero power dissipation Voltage regulator with virtually zero power dissipation

1996-09-27

1997-11-11

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Self-regulating

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

323315, G05F 316

Patent

active

056868243

ABSTRACT:
A voltage regulator for coupling to an unregulated power source and regulating a voltage and conveying a current received from such source includes a bias voltage generator and a voltage translator which together dissipate virtually zero power while providing such voltage regulation and current conveyance. The bias voltage generator produces a stable reference current for purposes of generating stable bias voltages for the voltage translator. The voltage translator generates a regulated output voltage by translating a reference voltage potential (e.g., circuit ground) upwards by an amount equal to multiple depletion mode transistor threshold voltages.

REFERENCES:
patent: 4808909 (1989-02-01), Eddlemon
patent: 5059890 (1991-10-01), Yoshikawa et al.
patent: 5384739 (1995-01-01), Keeth
patent: 5453679 (1995-09-01), Rapp
patent: 5512814 (1996-04-01), Allman
Eric Vittoz and Jean Fellrath, "CMOS Analog Integrated Circuits Based on Weak Inversion Operation", IEEE Journal of Solid-State Circuits, vol. SC-12, No. 3, Jun. 1977, pp. 224-231.

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