Voltage regulator with adjustable feedback
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United States of America Patent
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Jan 23, 2018
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app pub date -
Feb 24, 2012
filing date -
Feb 24, 2012
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Abstract
A voltage regulator circuit with variable feedback is disclosed. In one embodiment, a voltage regulator includes an amplifier having a first input configured to receive a reference voltage and a second input configured to receive a feedback signal. The voltage regulator further includes first and second transistors each having respective gate terminals coupled to an output of the amplifier. A resistor network coupled to the second input of the amplifier and further coupled to the first and second transistors. The resistor network is configured to produce the feedback signal based on currents through the first and second transistors, respectively.
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