标签: max1776

摘要：本应用指南介绍如何使用数字电位器生成使用MAX1776降压直流-直流转换器可调节电压供应。使用DS3903的参考设计显示功能产生1.25v和5.50V与电位器之间的受规管的供应能力允许所需的电压水平的1.8%内必须进行校正，供应。取决于当前的限制设置与MAX1776一起使用，设计是电流的有能力提供高达600mA。Maxim>AppNotes>DIGITALPOTENTIOMETERSPOWER-SUPPLYCIRCUITSKeywords:MAX1776,DS3903,digitalpot,digipot,epot,dc-dcconvertor,dc-dcconversion,dc-dcconverters,Dec10,2002digitalpotentiometersAPPLICATIONNOTE225UsingDigitalPotentiometersinAdjustableStep-DownDC-DCConverterDesignsAbstract:ThisapplicationnotedescribeshowtouseadigitalpotentiometertogenerateanadjustablevoltagesupplyusingaMAX1776step-downDC-DCconverter.AreferencedesignusingtheDS3903isshownthatfeaturestheabilitytoproducearegulatedsupplybetween1.25Vand5.50V,andthepotentiometerallowsthesupplytobecalibratedtowithin1.8%ofthedesiredvoltagelevel.DependingonthecurrentlimitsettingsusedwiththeMAX1776,thedesigniscapableofsup……