Linear drop-out regulator circuit
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United States of America Patent
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Jun 24, 2014
Grant Date -
May 7, 2009
app pub date -
Oct 21, 2008
filing date -
Nov 7, 2007
priority date (Note) -
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Abstract
According to one aspect of the embodiment, a linear regulator circuit includes an output transistor outputting an output current based on a input voltage, an error amplifier outputting a control signal based on an electric potential difference between an output voltage based on the output current and a reference voltage, a buffer circuit coupled between the error amplifier and the output transistor, and a drive capability adjustment circuit adjusting a load drive capability of the buffer circuit in synchronization with the output current.
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