Linear Regulator and Electronic Device Comprising Such a Linear Regulator
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United States of America Patent
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Issued Date -
Jun 7, 2012
app pub date -
Apr 21, 2010
filing date -
Apr 23, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a linear regulator comprising input means configured to receive an input voltage, output means configured to deliver an output voltage, a shunt element coupled to said input means and said output means, and configured to be passed through by a current and to exhibit across its terminals a voltage drop independent of said current, controllable by-pass means coupled between said input means and said output means, and configured to have a first state for by-passing said shunt element and a second state for not by-passing said shunt element, and control means coupled to said input means and configured to place said by-pass means in their first state or in their second state depending on the value of said input voltage. The invention also relates to an electronic device comprising such a linear regulator.
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