Add Margining Capability to a DC/DC Converter

Abstract:Youcaneasilyaddmarginingcapability(digitaladjustmentoftheoutputvoltage)toaDC/DCconverterbyaddinga2-or4-channel,I²C-adjustablecurrentDAC(DS4402orDS4404)attheconverter'sfeedbackinput.BecauseeachDACoutputis0mAatpowerup,theextracircuitryistransparenttothesystemuntilacommandiswrittenviatheI²Cbus.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsKeywords:marginingcapability,dc-dcconverters,D/Aconverters,DACs,current-outputDACsNov03,2010APPLICATIONNOTE4498AddMarginingCapabilitytoaDC/DCConverterBy:BrianVasquezAbstract:Youcaneasilyaddmarginingcapability(digitaladjustmentoftheoutputvoltage)toaDC/DCconverterbyaddinga2-or4-channel,IC-adjustablecurrentDAC(DS4402orDS4404)attheconverter'sfeedbackinput.BecauseeachDACoutputis0mAatpowerup,theextracircuitryistransparenttothesystemuntilacommandiswrittenviatheICbus.AsimilarversionofthisarticleappearedintheSeptember18,2008issueofEDNmagazine.YoucaneasilyaddmarginingcapabilitytoaDC/DCconverter(digi