Increased transition speed switching device driver
AssigneeCree, Inc.
InventorRobert J. Callanan
Life of this patent
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Abstract
A switching device driver, which includes switching circuitry and a first capacitive element, which is coupled to the switching circuitry, is disclosed. The switching circuitry receives a logic level input signal and provides a switching control output signal to a switching device based on the logic level input signal. When the logic level input signal has a first logic level, the switching circuitry charges the first capacitive element. When the logic level input signal transitions from the first logic level to a second logic level, the switching circuitry at least partially discharges the first capacitive element to rapidly transition the switching control output signal, thereby causing the switching device to quickly change states.
Claims24
A circuit comprising:
- switching circuitry and a first capacitive element coupled to the switching circuitry, which is adapted to:
- provide a switching control output signal to a switching device based on a logic level input signal;
- and
- at least partially discharge the first capacitive element when the logic level input signal transitions from a first logic level to a second logic level to rapidly transition the switching control output signal, thereby causing the switching device to change states.
A method comprising:
- providing a switching control output signal to a switching device based on a logic level input signal;
- charging a first capacitive element when the logic level input signal has a first logic level;
- and
- at least partially discharging the first capacitive element when the logic level input signal transitions from the first logic level to a second logic level to rapidly transition the switching control output signal, thereby causing the switching device to change states.
Dependencies are inferred from the claim text.