Voltage-resistant MOS switch
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United States of America Patent
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Oct 6, 2009
Grant Date -
Mar 10, 2005
app pub date -
Sep 3, 2004
filing date -
Sep 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A voltage-resistant switch comprising a first switching contact and a second switching contact, and an MOS switching transistor having a source terminal, a drain terminal and a gate terminal, wherein the source terminal of the MOS switching transistor is connected to the second switching contact, and the drain terminal of the MOS switching transistor is connected to the first switching contact. The voltage-resistant switch has a switching monitoring unit with a control input and a protection output and a protection switch with a switching input, wherein the switching input is connected to the protection output of the switching monitoring unit and the protection switch is arranged and adapted to electrically connect the gate terminal of the first MOS switching transistor to the source terminal of the first MOS switching transistor in dependence on a protection signal.
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