Semiconductor device and method of controlling the same
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United States of America Patent
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May 21, 2013
Grant Date -
May 10, 2012
app pub date -
Oct 28, 2011
filing date -
Nov 5, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A semiconductor device includes a regulator including an operational amplifier configured of a current mirror and generating the second voltage V2 from a first voltage V1; and a control circuit that generates the current control signal OVDR, makes a current that is flowed by the current mirror increase by a first transition of the current control signal OVDR, and makes the current that is flowed by the current mirror decrease by a second transition of the current control signal OVDR. The control circuit includes a slew-rate processing unit that makes a second slew rate of the current control signal OVDR related to the second transition be smaller than a first slew rate of the current control signal OVDR related to the first transition.
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