Power Converter with Low Threshold Voltage Transistor
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United States of America Patent
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Issued Date -
Mar 30, 2017
app pub date -
Sep 30, 2015
filing date -
Sep 30, 2015
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Abstract
A power converter with a high side transistor and a low side transistor produces a phase voltage as the high and low side transistors turn on and off under control of a high side driver and a low side driver, respectively. The low side transistor has a low threshold voltage of 0.4 volts or less. In some embodiments, a drive voltage less than 0 volts turns off the low side transistor. In some embodiments, a low impedance between the low side driver and the low side transistor enables the drive voltage to turn off the low side transistor during high output transients. In some embodiments, the high side transistor, the low side transistor, the high side driver, and the low side driver are integrated together on the same integrated circuit die.
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