Direct current voltage boosting/bucking device

Details Direct current voltage boosting/bucking device Direct current voltage boosting/bucking device

2006-12-12

2006-12-12

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

07148666

ABSTRACT:
A direct current voltage boosting/bucking device includes a direct current voltage boosting circuit and a low drop-out (LDO) linear voltage converting circuit. The direct current voltage boosting circuit boosts an input voltage so as to generate an output voltage higher than the input voltage. The LDO linear voltage converting circuit converts the output voltage into a load voltage that is to be provided to a load, and controls the direct current voltage boosting circuit in accordance with a feedback signal from the load such that the output voltage and the load voltage have a minimum drop-out voltage differential therebetween and such that current flow through the load is maintained at a determined level.

REFERENCES:
patent: 5589761 (1996-12-01), Nelson et al.
patent: 6617832 (2003-09-01), Kobayashi
patent: 6661683 (2003-12-01), Botker et al.
patent: 6703815 (2004-03-01), Biagi
patent: 6956429 (2005-10-01), Elbanhawy

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