Fast, low-power, low-drop driver circuit
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United States of America Patent
Stats
-
Feb 23, 1988
Grant Date -
N/A
app pub date -
Jun 27, 1985
filing date -
Jun 27, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power driver circuit which provides a low voltage drop thereacross when turned on, without being driven into hard saturation. Hard saturation of the circuit according to the present invention is prevented by additional circuit elements which allow the transistor output circuit to be turned on while diverting excess drive current away from the input transistor. As a result, the driver circuit can provide the low saturation voltage and avoid unnecessary saturation of the output transistor while maintaining high-speed switching operation. The circuit may be implemented by discrete components, by a single integrated circuit or part of a larger integrated circuit.
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