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A constant frequency output-ripple-voltage-based buck converter without using large ESR capacitor

Authors Mai, Yuan Yen HKUST affiliated (currently or previously)
Mok, Philip K.T. View this author's profile
Issue Date 2008
Source IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs , v. 55, (8), 2008, AUG, p. 748-752
Summary A constant frequency output-ripple-voltage based CMOS current-mode de-de buck converter, providing fast load transient response and reference-tracking speed, is proposed in this paper. Unlike V-2 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 V-2 control counterparts by about 25 times.
ISSN 1549-7747
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Language English
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