Efficiency improved voltage converter

Details Efficiency improved voltage converter Efficiency improved voltage converter

2006-06-20

2006-06-20

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

07064533

ABSTRACT:
A voltage converter improves the efficiency thereof by connecting a boost converter and an LDO regulator with a buck converter in parallel. The boost converter boosts up a supply voltage to generate a first output voltage at a first output, and the buck converter bucks down the supply voltage to generate a second output voltage at a second output. When the second output voltage is lower than a threshold, the LDO regulator converts the first output voltage to a third voltage at said second output.

REFERENCES:
patent: 5442534 (1995-08-01), Cuk et al.
patent: 2005/0213354 (2005-09-01), Pai

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