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This work introduces and discusses the issues of several common startup techniques for boost dc-dc converters. Moreover, basic operating principle of boost converters and three kinds of startup techniques will be briefly introduced in this work, and then an improved method is presented. The mathematical models of two chosen startup methods are built, and MATLAB simulation is used for comparison. In...
A single-inductor four-switch non-inverting buck-boost dc-dc converter was designed. Compared to other conventional buck-boost typologies, the presented converter reduces the number of external passive components and chip/PCB area. The chip was implemented by using the TSMC 0.35um 3.3V/5V 2P4M polycide CMOS process. The input voltage range of the presented converter covers the full output voltage...
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