High speed sync FET control
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United States of America Patent
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Mar 13, 2018
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N/A
app pub date -
Oct 13, 2016
filing date -
Nov 25, 2013
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Abstract
A circuit arrangement is disclosed for controlling the switching of a field effect transistor (FET). A current controlled amplifier may be configured to amplify a current in a current sense device to generate an amplified current, wherein the current in the current sense device indicates a current through the FET. A comparator may be coupled to the current sense amplifier to compare a voltage corresponding to the amplified current with a voltage reference and to generate a comparator output based on the comparison, wherein the comparator output controls whether the FET is on or off.
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