Isolated active circuit for measuring the current of an illuminant on the secondary side
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Jul 14, 2015
filing date -
Jul 28, 2014
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Abstract
The invention relates to a drive circuit for operating an illuminant, preferably at least one LED, comprising an isolated converter which is clocked on the primary side by a control unit by means of at least one controlled switch unit, said converter supplying a rectifier starting from which the illuminant can be fed, a measurement circuit for indirectly measuring the current on the secondary side of the converter having a transformer with at least one winding on the primary side.
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