Dual-supply electronic circuit with means for protection against breakdowns, and corresponding protection means
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United States of America Patent
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N/A
Issued Date -
Apr 27, 2006
app pub date -
Sep 15, 2005
filing date -
Sep 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electronic circuit is provided, which includes a dual supply having a first supply for a first portion of said circuit and a second supply for a second portion of said circuit. The electronic circuit further includes a protection circuit for protecting at least one transistor of said first portion. The protection circuit includes a first protection transistor of which the drain is connected to a connection between said first portion and said second portion and the gate is connected to said first power supply. A voltage reducer reduces the voltage between the drain and the gate of said first protection transistor.
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