Switching mode power supplies with digital electromagnetic interference control
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United States of America Patent
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Issued Date -
Apr 2, 2009
app pub date -
Jan 17, 2008
filing date -
Sep 29, 2007
priority date (Note) -
Abandoned
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Abstract
A method of programming a switching mode power supply before or after the power supply is installed in a system to control electromagnetic interference. The switching mode power supply includes at least one switching device and a digital controller. The digital controller adjusts a switching frequency of the at least one switching device based on one or more programmable parameters. The method includes programming the digital controller with the one or more programmable parameters via a user interface. The programmable parameter(s) define a switching frequency adjustment to control electromagnetic interference.
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