Drive Circuit And Method For Semiconductor Devices
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United States of America Patent
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Issued Date -
Nov 22, 2007
app pub date -
May 22, 2006
filing date -
May 22, 2006
priority date (Note) -
Abandoned
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Abstract
The speed limitations of switching a gated semiconductor device are overcome by providing a dynamic driving voltage to the gate of the device being switched. This dynamic driving voltage may be provided by starting with a fixed amount of charge at a higher initial potential than the ultimate target gate voltage. The fixed charge and voltage are chosen so as not to exceed the device's specified maximum gate current or the device's maximum voltage between the gate and the source (punch-through voltage).
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