电信应用的隔离电源

摘要：简易使用的高压侧电流检测放大器电源保护作为一个不规则电源电压短路条件所造成的结果。Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSBATTERYMANAGEMENTCOMMUNICATIONSCIRCUITSPOWER-SUPPLYCIRCUITSKeywords:currentsense,highsidecurrentsense,outputovercurrentprotection,loadcurrentmonitor,highNov06,2000sideamp,currentsenseampAPPLICATIONNOTE714IsolatedPowerSuppliesforTelecomApplicationsAbstract:Simpleeasytousehighsidecurrentsenseampsprotectspowersuppliesasaresultofirregularsupplyvoltagecausedbyshort-circuitconditions.Toensurecompliancewithallinternationalstandards,thedesignerofanisolatedpowersupplyfortelecomapplicationsneedstotakecertainfactsintoaccount:Theinputvoltageisnever110Vor220Vfromthemains,butthelowervoltageofalead-acidbattery(-12V,-24V,or-48V)