Protection circuit for electronic system
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United States of America Patent
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Sep 20, 2016
Issued Date -
N/A
app pub date -
Dec 30, 2014
filing date -
Dec 30, 2014
priority date (Note) -
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Abstract
Damages to the rectifying MOSFET in the secondary side of voltage converters are reduced or eliminated by inserting intermediary steps between detecting a dropping in the converter output voltage VCC and activating the under voltage lock out (UVLO) circuitry. During the intermediary steps, the timing for switching off the MOSFET is advanced to prevent the current flow in the MOSFET from reversing its direction.
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