Adaptive control for linear voltage regulator
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United States of America Patent
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Jan 23, 2018
Grant Date -
Dec 14, 2017
app pub date -
Jun 8, 2016
filing date -
Jun 8, 2016
priority date (Note) -
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Abstract
In one example, a circuit includes a voltage source, a pass module, a differential amplifier module, and a control module. The pass module is configured to electronically couple, using a channel having a resistance, the voltage source and a load and to modify the resistance of the channel based on a control signal. The differential amplifier module is configured to generate a differential signal based on a comparison of a voltage reference and a representation of a voltage at the load. The control signal is based on the differential signal. The control module is configured to generate the representation of the voltage at the load according to a transfer function. The transfer function includes a zero positioned substantially at a crossover frequency of the transfer function.
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