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Title: A constant frequency output-ripple-voltage-based buck converter without using large ESR capacitor
Authors: Mai, Yuan Yen
Mok, Philip
Keywords: CMOS integrated circuits
DC-DC power convertors
Transient response
Issue Date: 2008
Citation: IEEE transactions on circuits and systems II : Express briefs, v. 55, no. 8, August 2008, p. 748-752
Abstract: A constant frequency output-ripple-voltage based CMOS current-mode dc–dc buck converter, providing fast load transient response and reference-tracking speed, is proposed in this paper. Unlike V2 control output-ripple-voltage based buck converter, the proposed buck converter can achieve fast and stable load transient response without relying on ESR value of output capacitor. In addition, the proposed converter has faster reference-tracking speed than the V2 control counterparts by about 25 times.
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