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1、USERGUIDE
2、UG:108EndofLife-NotRecommendedforNewDesigns3PhaseMegaPAC-ELTM(LowNoise)4kWMegaPAC-ELTM(LowNoise)AC-DCSwitchersSeptember2013?SCUSCUNRTLContentsPageOverview1ofProductMechanical2ConsiderationsMegaPAC3Do’sandDon’ts4kWMegaPACTechnicalDescription43PhaseM
3、egaPACConfiguringand5OverviewReconfiguringThe3PhaseMegaPAC-ELand4kWMegaPAC-ELarefield-configurable,singleorMegaPACsmultipleoutputswitchers,providingupto2,000W(3PhaseMegaPAC/EL-LowNoise)to4,000Wofoutputpower(4kWMegaPAC/EL-LowNoise).Thechassishas10slotsConvert
4、erPAC6andprovidesupto20regulated,fullyisolatedoutputs.ItachievespowerdensitiesofDescription3.6Wpercubicinch(3PhaseMegaPAC/EL(LowNoise))to6.4Wpercubicinch(4kWMegaPAC/EL(LowNoise).Thedimensionsforthe3PhaseMegaPAC/EL(LowNoise)PartNumbering10are4.9"Hx7.5"Wx15.2"
5、L(124,5mmx190,5mmx429,3mm)andthedimensionsforthe4kWMegaPAC/EL(LowNoise)are4.9"Hx7.5"Wx16.9"L(124,5mmx190,5mmxQuickInstall12386,1mm).The4kWMegaPAC/EL(LowNoise)islongerthanthe3PhaseMegaPAC/ELInstructions(LowNoise)toaccommodatea2ndfan.MechanicalDrawings15Acompl
6、etepowersupplyisconfiguredbyselectingandinsertinguptotensamelengthslide-inoutputassembliescalledConverterPACs.ConverterPACsincorporateInterfaceConnections17oneortwoVI-200/VI-J00and/orMaxiVicorDCtoDCconvertersandareavailableinawideselectionofoutputvoltageandp
7、owerlevels.ThenetresultisapowersupplySpecifications24thatofferstheadvantagesofacustomsupply,butisassembledfromstandardandmodularbuildingblocks.FordetailedinformationaboutallConverterPACs,refertoCurrentShareBoards26theConverterPACinformationsheets.The4kWMegaP
8、AC-EL(LowNoise)usesVI-200/VI-J00andMaxiVicorDCtoDCconverterswhilethe3PhaseMegaPAC-EL(LowNoise)LowLeakageVersion29usesVI-200/VI-J00VicorDCtoDCconverters.ManufacturedatVicor,theentirefamilyofMegaPACpowersuppliesiscompletelyuser-configurable.Ifoutputrequirement
9、schange,i.e.,morepoweroradifferentoutputvoltageisneeded,upgradingiseasy:simplyunlockasinglescrewandreplacetheslide-inConverterPACwithanotherExtendedLengthConverterPACthathasthedesiredvoltagepowe
