Method and apparatus for a dynamically self-bootstrapped switch
First Claim
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1. A dynamically self-bootstrapping circuit for a switch comprising:
- a first resistor connecting a control node of the switch to a switch control input;
a first bypass switch connecting the control node of the switch to ground;
a first bypass switch resistor in series with a gate node of the first bypass switch; and
a second bypass switch resistor in series with a back gate node of the first bypass switch, the first and second bypass switch resistors self-bootstrapping the first bypass switch,wherein the first bypass switch is disabled when the switch is in an on-state and enabled when the switch is in an off-state.
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Abstract
A dynamically self-bootstrapping circuit for a switch features a resistor in series with the control node of the switch. A bypass switch connects a control node to ground. When the switch is in an off-state, the bypass switch is enabled.
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Citations
20 Claims
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1. A dynamically self-bootstrapping circuit for a switch comprising:
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a first resistor connecting a control node of the switch to a switch control input; a first bypass switch connecting the control node of the switch to ground; a first bypass switch resistor in series with a gate node of the first bypass switch; and a second bypass switch resistor in series with a back gate node of the first bypass switch, the first and second bypass switch resistors self-bootstrapping the first bypass switch, wherein the first bypass switch is disabled when the switch is in an on-state and enabled when the switch is in an off-state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of dynamically self-bootstrapping a switch comprising:
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connecting a first resistor between a control node of the switch and a switch control input; allowing a voltage on the control node to track an input signal voltage when the switch is in an on-state; preventing the voltage on the control node from tracking the input signal voltage when the switch is in an off-state by bypassing the first resistor with a first bypass switch; and self-bootstrapping the first bypass switch with a first bypass switch resistor in series with a gate node of the first bypass switch and a second bypass switch resistor in series with a back gate node of the first bypass switch. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification