Control apparatus, switching power supply and control method for maintaining power conversion efficiency

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United States of America Patent

PATENT NO 9960680
SERIAL NO

15204839

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Abstract

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Disclosed herein are an apparatus for controlling a switch-mode power supply, and a method of operating the same. In an embodiment, it is determined whether or not a current of an inductor of the switching power supply has become less than or equal to a predetermined value. In an embodiment, a variable reference voltage is adjusted based on the current of the inductor and an output voltage. In an embodiment, a switch is turned off based on the inductor current, the output voltage, and the variable reference voltage.

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Patent Owner(s)

Patent OwnerAddress
MUFG UNION BANK N A350 CALIFORNIA STREET 17TH FLOOR SAN FRANCISCO CA 94104

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyamae, Toru Aichi, JP 26 177

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