Voltage regulator

Details Voltage regulator Voltage regulator

1998-09-02

2000-11-21

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323288, G05F 140

Patent

active

061507989

ABSTRACT:
The present invention relates to a voltage regulator of a voltage meant to supply a load from a battery, including a first switched-mode power supply type voltage regulation component, a second linear regulator type voltage regulation component, and a control circuit that selects one of the two regulation components according to the voltage difference between the battery voltage and the output voltage.

REFERENCES:
patent: 4502152 (1985-02-01), Sinclair
patent: 5502369 (1996-03-01), Niwayama
patent: 5563498 (1996-10-01), Candy
patent: 5617016 (1997-04-01), Borghi et al.
patent: 5627460 (1997-05-01), Bazinet et al.
patent: 5731731 (1998-03-01), Wilcox et al.
patent: 5773966 (1998-06-01), Steigerwald
Japanese laid open publication No. 5-95670 together with translated Abstract Apr. 16, 1993.
Japanese laid open publication No. 5-260727 together with translated Abstract Oct. 8, 1993.
Japanese laid open publication No. 7-177732 Jul. 14, 1995.
Japanese laid open publication No. 7-325632 together with translated Abstract Dec. 12, 1995.
Japanese laid open publication No. 9-140126 May 27, 1997.
French Search Report from French Patent Application 97 11837, filed Sep. 18, 1997.

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