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Power topology—buck converter

Posted: 02 Sep 2010     Print Version  Bookmark and Share

Keywords:power topology  buck converter  step down converter 

This application note shows a general step-by-step, Type-III compensation design procedure for current-mode, step-down DC/DC converters as well as the PMP5532 design example using the Texas Instruments TPS40055 step-down converter IC.

This report also illustrates how to achieve high efficiency in a step-down converter using a wide-input voltage range. In addition to the Type-III compensation calculation, the report provides the calculations needed to estimate the power losses including an example that achieves up to 95 per cent efficiency.

View the PDF document for more information.

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