标签: max5052

摘要：紧凑型电源提供电流高达10A使用MAX5052APWM控制器稳压3.3V这里所描述的。此电源供电来源-36V至-72V，采用同步整流实现10A效率大于88％。它使用了一个单晶体管正激变换器的复位绕组，有50％的最大占空比。它具有输入反向电压保护，将规范零负载。隔离电压为1500V，并有过电压和过电流保护。它可以打开和关闭远程开/关针，它具有热关断功能，温度过高保护供应。单位有断续电流限制，以限制输出短路时的RMS电流。Maxim>AppNotes>AUTOMOTIVEKeywords:MAX5052,pwmcontroller,synchronousrectification,forwardconverter,highefficiency,powerSep01,2003supply,powersupplies,forwardconverter,inputreversevoltageprotection,pulsewidthmodulation,controllersAPPLICATIONNOTE2400ACompact36-72VDCInput,3.3V/10AOutputPowerSupplyAbstract:Acompactpowersupplythatprovidesaregulated3.3Vatcurrentsupto10AusingtheMAX5052APWMcontrollerisdescribedhere.Thispowersupplyoperatesfrom-36Vto-72Vandusessynchronousrectificationtoachieveefficienciesgreaterthan88%at10A.Itusesasingletransistorforwardconverterwitharesetwindingandhasamaximumdutycycleof50%.Ithasinputreversevoltageprotection,andwillregulatetozeroload.Theisolati……