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Choose the best buck-boost converter

Posted: 16 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:buck-boost converter for portable? portable systems? trade-offs of different buck boost solutions? power management for portable system? Michael Day?

The issue of efficiently generating a 3.3V rail from a Li-ion battery is not new, and solutions for this problem already exist. This article discusses some popular solutions, including cascaded buck-and-boost, buck-boost, buck and low-dropout regulator (LDO) power supply topologies, and the trade-offs of each design. System runtime is also measured and compared.

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