Very high voltage switch
First Claim
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1. A push-pull switch comprising:
- a first N-channel MOS transistor (M1), wherein a drain-source path of which is connected between a voltage terminal (10) and an output terminal (13);
a first resistor (20) connected between the gate of the first N-channel MOS transistor and the high voltage terminal;
a diode (D) having its anode connected to the output terminal (13) and its cathode connected to the gate of the first N-channel MCS transistor;
a second N-channel MOS transistor (M2) 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 (40) connected between the gate of the second N-channel MOS transistor and the output terminal (13).
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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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Citations
3 Claims
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1. A push-pull switch comprising:
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a first N-channel MOS transistor (M1), wherein a drain-source path of which is connected between a voltage terminal (10) and an output terminal (13);
a first resistor (20) connected between the gate of the first N-channel MOS transistor and the high voltage terminal;
a diode (D) having its anode connected to the output terminal (13) and its cathode connected to the gate of the first N-channel MCS transistor;
a second N-channel MOS transistor (M2) 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 (40) connected between the gate of the second N-channel MOS transistor and the output terminal (13). - View Dependent Claims (2, 3)
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Specification