US Patent 7541796 MOSFET triggered current boosting technique for power devices

Patent 7541796 was granted and assigned to Micrel on June, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

S. M. Sohel Imtiaz1

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Patent abstract

A voltage regulator output stage can include a power device whose body to source junction is forward biased using a MOSFET trigger. The forward biasing can advantageously reduce the threshold voltage of the power device, thereby effectively increasing its gate drive as well as its output current capability. Controlling the forward biasing using the MOSFET trigger provides minimal leakage, thereby ensuring that the output stage is commercially viable as well as performance enhanced.

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