Rev. 11.07.11_180
DS460
2 of 4
Embedded Power for
Business-Critical Continuity
OrderingInformation
Model Number Nominal Output
Voltage Set Point
Set Point
Tolerance
Total
Regulation
Minimum
Current
Maximum
Current
Output Ripple
P/P Over Current Stand-by Air Flow
DS460S-3-002 12.3Vdc ±0.2% ±5% 1A 36.0A 120mV 45.9A-57.5A* 12.0V@2.3A STD
DS460S-3-003 12.3Vdc ±0.2% ±5% 1A 36.0A 120mV 45.9A-57.5A* 12.0V@2.3A REV
*Overcurrentlatchesoffifovercurrentlastsover1seconds,otherwiseitisautorecovery.
LogicControl
PS_PRESENT(S4): Usedtosensethenumberofpowersuppliesinthesystem(operationalornot)andprovidehot
pluginsertionandremovalfunctionalitybycontrollingmainoutputsduringhotpluginsertion
andremovalbyemployingfollowingcircuitry.Whentheunitisremovedfromthesystemthefast
shutdownsignalquicklyturnsOFFmainoutputsanddischargesoutputcapacitors.Thissignalis
theshortestgoldfingerpinonthesignalconnectortoallowforlastmake,firstbreak
configuration.
PSOK(S6): CombinedindicatorofACinputandmain12VDCoutput.Thisisathreelevelsignaltoindicate
differentstagesasfollows.
ACnotOKandDCnotOK–SignalstatusshallbeLOW(<0.6V)
ACOKandDCnotOK–SignalstatusshallbeLOW(<0.6V)
ACOKandDCOK–SignalstatusshallbeHIGH(>3.0V)
ACnotOKandDCOK–SignalstatusshallbeMiddleLevel(Between2Vand2.5V)
DCOKthresholdisdefinedaswhenthe12Voutputisgreaterthan11.5V.
DCnotOKthresholdisdefinedaswhenthe12Voutputislessthan11.4V&greaterthan11.3V.
I-Mon(S7): Providesboththeloadsharingfunction(asafeedbackforoutputregulationdroopfunction)and
12Voutputcurrentinformation.
PSINTERRUPT(S4): Thesignalbehaviorinresponsetocertainoperatingconditionchangesinthepowersupplyas
definedintheFirmwareSpecificationsection.Thissignalshallbepulleduptomaximum5Vlogic
levelexternaltothePS.
PSON(S8): Requiredtoremotelyturnon/offthepowersupply.PSON#isanactivelowsignalthatturns
onthemain12VDCoutput.Whenthissignalisnotpulledlowbythesystem,orleftopen,the
12Voutputisturnedoff.Thissignalispulledtoastandbyvoltagebyapull-upresistorinternalto
thepowersupply.RefertoOn/OffTimingfortimingdiagraminTRN.Wheninofforstandby
condition,themain12VDCoutputwillbelessthan50mVwithrespecttooutputreturn.
Operatingtemperature: -10°to50°C
Storagetemperature: -40°Cto+85°C
Altitude,operating: 10,000ft
Electromagneticsusceptibility/Inputtransients: -EN61000-3-2
-EN61000-4-2,4.3,4-4,-4-5,4-6,4-11
RoHS&lead-freecompliant: Notantalumcaps.
Humidity: 5to90%RH,non-condensing
Shockandvibrationspecificatons: ComplieswithAstecStd.Specifications,Q3205
MTBF(Demonstrated): 500KHrsatfullload,50°C
EnvironmentalSpecifications