DS4424使用保证金的一架DC- DC转换器的输出电压

摘要：一个DS4424可调电流DAC用于调整的DC-DC转换器的输出电压幅度。本文介绍如何正确地选择一个DC-DC转换器的反馈分压器网络的电阻值时，DS4424在设计就业。

Maxim>AppNotes>DIGITALPOTENTIOMETERSKeywords:DC-DCconverter,resistivefeedbackdividernetwork,currentDAC,full-scalecurrent,sourceSep22,2008current,sinkcurrent,outputvoltagemargin,powersupply,testmargining,DC-DCconverterfeedbackmarginingAPPLICATIONNOTE4280UsingtheDS4424toMargintheOutputVoltageofaDC-DCConverterAbstract:ADS4424adjustable-currentDACisusedtoadjustthemarginofaDC-DCconverter'soutputvoltage.ThisarticledescribeshowtoproperlyselecttheresistorvaluesofaDC-DCconverter'sfeedbackdividernetworkwhentheDS4424isemployedinthedesign.IntroductionTheDS4424adjustable-currentDACissimilartotheDS4404adjustable-currentDACwithtwomajordifferences.First,theDS4424has127settingseachfor