Voltage regulator with automatic selection of a highest supply v

Details Voltage regulator with automatic selection of a highest supply v Voltage regulator with automatic selection of a highest supply v

1997-10-21

1999-12-14

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327541, G05F 110

Patent

active

060022957

ABSTRACT:
The present invention relates to a voltage regulator, including at least two input terminals for receiving, each, an independent supply voltage, and including a means for automatically selecting the highest supply voltage from among the voltages present at the input terminals, and a means for insulating the supply terminal associated with the lowest voltage from the rest of the circuit, these means introducing a very low voltage drop between the input terminal at the highest voltage and an output terminal of the regulator.

REFERENCES:
patent: 4617473 (1986-10-01), Bingham
patent: 4686388 (1987-08-01), Hafner
patent: 4779037 (1988-10-01), LoCascio
patent: 4806789 (1989-02-01), Sakihama et al.
patent: 5103157 (1992-04-01), Wright
patent: 5157291 (1992-10-01), Shimoda
patent: 5341034 (1994-08-01), Matthews
patent: 5570061 (1996-10-01), Shimoda
patent: 5748033 (1998-05-01), Kaveh
patent: 5796297 (1998-08-01), Brigati

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