Very high voltage switch
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United States of America Patent
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-
Apr 30, 2002
Grant Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Oct 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A push-pull switch including a first N-channel MOS transistor, the drain-source path of which is connected between a high voltage terminal and an output terminal, a first resistor connected between the gate of the first transistor and the high voltage, a diode having its anode connected to the output terminal and its cathode connected to the gate of the first transistor, a second N-channel MOS transistor having its drain connected to the cathode of the diode, its source connected to a reference potential, and its gate connected to a control terminal, and a second resistor connected between the gate of the second transistor and the output terminal.
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