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DYNAMIC THRESHOLD SELECTION FOR TRANSIENT DETECTION IN A COVERTER
DYNAMIC THRESHOLD SELECTION FOR TRANSIENT DETECTION IN A COVERTER
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机译:转换器瞬态检测的动态阈值选择
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摘要
A dynamic threshold determining circuit changes the threshold voltage used to determine when to inject additional energy to increase a power converter's output voltage in response to a low voltage transient for the converter. By being able to change the threshold, finer control of the energy input for correcting transients is possible. In one implementation, the threshold is closer to the target voltage than a typical static threshold value used for transient correction, and the energy injected is smaller than that typically used for transient correction. Thus, the power converter will have a fast response to a transient but be less likely to overshoot the correction. Should the transient continue, the threshold can be changed to move further from the target value while an increased amount of energy is added so that the system can dynamically move to correct bigger transients.
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