EMI suppression with shielded common mode choke
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United States of America Patent
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Jan 27, 2015
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app pub date -
Jul 10, 2012
filing date -
Sep 15, 2011
priority date (Note) -
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Abstract
A power supply arrangement constituted of: an isolated power supply having a primary side and a secondary side, the secondary side electrically isolated from the primary side; a common mode choke having a first winding and a second winding wound on a common core, the common mode choke coupled between the primary side of the isolated power supply and an AC mains; and a shielding surrounding the common mode choke, the shielding coupled to a common potential of the secondary side of the isolated power supply.
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