Control circuit and control method for inhibit overshoot and undershoot in power conversion device
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United States of America Patent
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Jul 12, 2016
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N/A
app pub date -
Jan 31, 2011
filing date -
Jan 31, 2010
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Abstract
By adding a suppression amount for suppressing an overshoot or undershoot that attenuates with time during an overshoot or undershoot period, the overshoot or undershoot can be suppressed within a short time and the output can be made close to a normal value. When an output has overshot, an overshoot suppression amount including a time-dependent attenuation suppression amount is added to an output feedback control amount, the time-dependent attenuation suppression amount being defined in a period during which the output overshoots. Alternatively, when the output has undershot, an undershoot suppression amount including a time-dependent attenuation suppression amount is added to the output feedback control amount, the time-dependent attenuation suppression amount being defined in a period during which the output undershoots.
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