Differential sensing for voltage control in a power supply circuit

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United States of America Patent

PATENT NO 8633680
APP PUB NO 20120249094A1
SERIAL NO

13216522

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Abstract

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In one general aspect, an apparatus can include a controller, and a power stage coupled to the controller and configured to be coupled to a power source. The power stage is configured to deliver an output voltage to a load module in response to the controller. The apparatus also includes a reference voltage circuit coupled to the controller and configured to be grounded to a first ground voltage different from a second ground voltage associated with the load module.

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Patent Owner(s)

  • FAIRCHILD SEMICONDUCTOR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cornish, Jack Foothill Ranch, US 3 29
Lee, Victor Irvine, US 69 1368
Zhao, Bin Irvine, US 374 6824

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