Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 25, 2007
Patent Application Number
11027904
Date Filed
December 30, 2004
Patent Primary Examiner
Patent abstract
A method and apparatus for powering an electronic circuit use comparators of supply voltages and voltage regulators to facilitate powering the electronic circuit utilizing more than one supply voltage. In one embodiment, power supplies of step-up power units are controlled using comparators of step-down power units and the step-up power units temporarily provide power to accidentally disabled of step-down power units.
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