SMART LOW DROP-OUT VOLTAGE REGULATOR AND ASSOCIATED METHOD
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Jan 10, 2012
filing date -
Jan 10, 2012
priority date (Note) -
Abandoned
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Abstract
The present disclosure discloses a low drop-out voltage regulator and an electronic device comprising the same. The present disclosure also discloses a method for converting a power supply voltage to a regulated output voltage. The low drop-out voltage regulator comprises a pass device controllable to convert a power supply voltage to a regulated output voltage; and a controller configured to receive an input signal and to provide a driving signal to the control terminal of the pass device based on the input signal, wherein when the input signal is within a predetermined range, the driving signal turns the pass device ON, and the power supply voltage charges the output voltage; and wherein when the input signal is without the predetermined range, the driving signal turns the pass device OFF, and the power supply voltage stops charging the output voltage.
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