POWER SUPPLY CIRCUIT AND ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Aug 4, 2011
app pub date -
Jan 31, 2011
filing date -
Feb 1, 2010
priority date (Note) -
Abandoned
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Abstract
includes a first error amplifier that compares a predetermined reference voltage and an output voltage of a feedback voltage generation circuit and amplifies the obtained error to input the amplified error to the feedback voltage generation circuit; and a gain adjustment path which is disposed in parallel with the first error amplifier and adjusts a gain of output of the first error amplifier in a high frequency range.
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