Importance

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Abstract

Described embodiments include a voltage clamping circuit having a threshold-setting circuit with a threshold input and a threshold output. A switch has a first terminal coupled to the threshold input, a second switch terminal, and a switch control terminal. A first transistor is coupled between the threshold output and the switch control terminal, and has a first control terminal. A second transistor is coupled between the first control terminal and ground, and has a second control terminal. A first driver circuit has a first driver input and a first driver output. A second driver circuit has a second driver input coupled to the first driver input, and a second driver output. A third transistor is coupled between the threshold input and ground, and has a third control terminal that is coupled to the second control terminal and the second switch terminal.

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First Claim