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Buck converter digital peak current mode control

Posted: 03 Sep 2013 ?? ?Print Version ?Bookmark and Share

Keywords:DC-DC converter? buck converter? isolation? Voltage mode control? current?

As the most basic form of DC-DC converter, the buck converter steps down the input voltage without isolation for power levels from less than 1 W to over 100 MW. Buck converter finds its applications ranging from mother boards where voltage needs to be stepped down to 2 V or less to electroplating or polishing with operating voltages in the order of 100 V or more. Control of buck converters is essential to have good voltage regulation and transient responses over a wide load current range. Voltage mode control and current mode control are the major control strategies for buck converter topology. Current mode control has good dynamic performance and inherent properties like short circuit protection. These advantages make current mode control more suitable for mission critical applications.

View the PDF document for more information.

Originally published by Freescale Semiconductor Inc. at as "Digital Peak Current Mode Control of Buck Converter Using MC56F8257 DSC".

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