Reducing a drop in a residual supply-signal level on start up or restart of a power supply

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United States of America Patent

PATENT NO 10044256
APP PUB NO 20170077816A1
SERIAL NO

15076526

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Abstract

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In an embodiment, a method includes generating a pulse-width-modulated signal having a duty cycle, and isolating a power-supply output node in response to the duty cycle corresponding to a signal magnitude that is less than a magnitude of an output signal on the power-supply output node. For example, where a power supply has a non-zero residual output signal (e.g., output voltage) on its output node after the power supply is deactivated, a power-supply controller can use such a technique to reduce or eliminate a drop in the residual output signal caused by, or that would be caused by, a restarting of the power supply.

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Patent Owner(s)

  • INTERSIL AMERICAS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Satterfield, Harold William Rockledge, US 7 24
White, James Melbourne, US 192 3109

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