Switch-mode power supply

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United States of America Patent

PATENT NO 10367414
APP PUB NO 20170302164A1
SERIAL NO

15484976

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Abstract

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A switch mode power supply is described including a primary side for coupling to a mains supply and a secondary side for coupling to a device, an isolation transformer comprising a primary coil and a secondary coil and arranged to isolate the primary side from the secondary side, and a noise filter coupled between a primary ground at the primary side and a secondary ground at the secondary side, the noise filter having a conductance value that varies with frequency. The noise filter conductance comprises a peak conductance in a peak conductance frequency region. The noise filter is operable to reduce the common-mode noise of the switch mode power supply at frequencies occurring in the peak conductance frequency region.

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Patent Owner(s)

  • NXP B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daniel, Bobby Jacob Eindhoven, NL 6 31
de, Groot Humphrey Vlijmen, NL 6 78
Groeneveld, Dirk Wouter Johannes Elst, NL 5 40
Laro, Petrus Cornelis Theodorus Wijchen, NL 1 2
van, den Berg Arjan Helmond, NL 13 50
van, Roosmalen Marcel Wilhelm Rudolf Martin Wijchen, NL 4 51

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