Invention Grant
US08184477B2 Semiconductor switching device 有权
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Semiconductor switching device
Abstract:
A switching device and methods of making and operating the same are provided. In one aspect, a method of operating a switching device is provided that includes providing a MOS transistor that has a gate, a source region, a drain region and a body region. A bipolar transistor is provided that has a collector, a base and an emitter. The body region of the MOS transistor serves as the base of the bipolar transistor and the drain region of the MOS transistor serves as the collector of the bipolar transistor. Activation of the MOS transistor causes the bipolar transistor to turn on. The MOS transistor is activated to turn on the bipolar transistor and the bipolar transistor delivers current to the source region.
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