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DC/DC module trim with digital potentiometers

Posted: 11 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:DC/DC converters? digital potentiometers? converter modules?

As of this writing, there are two standards for DC/DC converter module that attempt to create standard pin-outs, standard package size, standard electrical specifications, and standard controls such as ON/OFF and output voltage setting.

This application note describes the trimming technique for DC/DC converter modules using industry standards for output voltage trim. The DC/DC converter module design equations are presented from the data sheets, a circuit model for the DC/DC converter is shown, circuit equations for using a digital pot are derived, and resistor values are shown for the two most popular industry standards.

Please view the PDF document for more information.




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