Voltage regulators with multiple transistors
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United States of America Patent
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Aug 1, 2017
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N/A
app pub date -
Mar 14, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
A voltage regulator has an input terminal and a ground terminal. The voltage regulator includes a high-side device, a low side device, and a controller. The high-side device is coupled between the input terminal and an intermediate terminal. The high-side device includes first and second transistors each coupled between the input terminal and the intermediate terminal, such that the first transistor controls a drain-source switching voltage of the second transistor. The low-side device is coupled between the intermediate terminal and the ground terminal. The controller drives the high-side and low-side devices to alternately couple the intermediate terminal to the input terminal and the ground terminal.
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