preliMinary – 80 to 160 Volt input – 49...

transcript

Features• Radiationtolerantspaceconverter1

- Singleeventeffects(SEE)LETperformanceto43MeVcm2/mg- Totalionizingdose(TID)guaranteedperMIL-STD-883method1019,radiationhardnessassurance(RHA)L=50krad(Si),R=100krad(Si)- 50-300rad(Si)/secdoserate(ConditionA)- 10mrad(Si)/secdoserate(ConditionD)

• Outputovervoltageprotection• Inrushcurrentlimit• BuiltinEMIfilter• Outputtrimfrom±10%ofnominal• Operatingtemperature-55°to+125°C• ScreenedtoMIL-PRF-38534ClassHandK1

• Inputvoltagerange80-160volts• Transientprotection180voltsfor100ms• Fullyisolated,magneticfeedback• Fixedhighfrequencyswitching• Remotesense• Inhibitfunction,synchronizationinput• Indefiniteshortcircuitprotection

descriptionTheInterpoint®SMP120Series™ofDC-DCconvertersoffersupto49wattsofpowerinaradiationtolerantdesign.ThelowprofileSMP120convertersaremanufacturedinourfullycertifiedandqualifiedMIL-PRF-38534ClassKproductionfacilityandpackagedinhermeticallysealedsteelcases.Theyareidealforuseinprogramsrequiringhighreliability,smallsize,andhighlevelsofradiationhardnessassurance.

TheSMP120convertersareswitchingregulatorswhichuseacurrentmodecontrolsingleswitchforwarddesignwithanominalswitchingfrequencyof500kHz.Closeregulationismaintainedwithadvancedconstantfrequencypulsewidthmodulationdesigntechniques.TheSMP120’scurrentmodecontroltopologyprovideshighlevelsofinput-to-outputripplerejection.

Radiation toleRanceTheSMP120DC-DCconvertersaredesignedtoprovidecontinuousnormaloperationthroughradiationlevelsassociatedwithspacemissionsandintacticalandstrategicmilitaryenvironments.TheRHAlevelconverterswillmeettheirSMDelectricalcharacteristicsuptotheratedTIDlevelsatbothlowdoserates(conditionDmethod1019ofMIL-STD-883)andhighdoesrates(conditionAofmethod1019ofMIL-STD-883).

TheselevelsofradiationtolerancemaketheSMP120converterssuitabletoprovidepowertoelectronicsystemsinprogramswhereoperationinhighradiationenvironmentsisrequired.

MODELSOuTPuT

VOLTAgE(V)

SINgLE528

1.ScreenedtoMIL-PRF-38534.ClassHandKandRHALandRarependingproductvalidation.

HigH Voltage WaRningCareshouldbetakenwhentheconverterisinalivecircuit.Thereisthepotentialforupto160voltsattheinputpowerpins.

Crane Aerospace & Electronics Power Solutions

sMp120 single output space dc-dc converters

preliMinary – 80 to 160 Volt input – 49 Watt

SMP120RevAEPreliminary-2019.03.20Crane Aerospace & ElectronicsPower Solutions – Interpoint Products10301 Willows Rd. NE, Redmond, WA 98052+1 425.882.3100 • power@craneae.comwww.craneae.com/interpoint

PRELIMIN

ScReeningSMP120convertersofferscreeningoptionsofspaceprototype(O),ClassHorKandradiationhardnessassurance(RHA)levelsL50krad(Si)orR100krad(Si).TheconvertersarescreenedtoMIL-PRF-38534.ClassHandKandRHALandRarependingproductvalidation.

Radiationperformance,- SEELETperformance43MeVcm2/mg- SEB(noburn-out)43MeVcm2/mg- SEL(nolatch-up)43MeVcm2/mg- SET43MeVcm2/mg

UndeRVoltage lockoUtTheconvertershaveanundervoltagelockoutthatwillallowpowerconversionatapproximately75voltsonarisinginputvoltageandaconversionshut-downonafallingvoltageatapproximately72volts.Duringtheseconditions,outputregulationmaynotmeetnominalinputvoltagespecifications.

TheSMP120convertershaveanundervoltagelockout(uVLO)circuitthatwillholdtheconverteroffuntiltheinputvoltagerisestoapproximately75voltsatwhichpointpowerconversionwillbegin.Whentheinputvoltagefallstoapproximately72volts,theconverterwillpoweroff.Whentheinputvoltageisbetween72and75volts,theoutputvoltagemaynotmeetnominalvoltageregulationspecifications.oUtpUt oVeRVoltage pRotectionTheSMP120overvoltageprotectioncircuitcomprisesaredundantreferencevoltageandcomparatortodetectwhentheoutputvoltageexceedsapproximately130%ofthenominaloutputvoltage.Whenanoutputovervoltageconditionisdetected,theprotectioncircuitforcestheconvertertoshutdownforafewmillisecondsandinitiatearestart.Iftheovervoltageconditionpersists,theprotectioncircuitwillrepeattheshutdown/restartcycleuntiltheovervoltageconditiongoesawayortheconverterisinhibitedexternally.

Whenusingthetrimfunction,themarginbetweenthetrimmedvoltageandtheovervoltagethresholdwillbereducedsincetheovervoltagethresholdisfixedat130%ofthenominaloutputvoltage.

inRUSH cURRent limiteRTheSMP120inrushcurrentlimitercomprisesanN-ChannelMOSFETasasimpletimer.Whentheinhibitpinisreleased,ahighvoltagecurrentsourcechargesacapacitorthatisconnectedbetweenthegateandsourceofthecurrentlimiterFET.Thiscausesthegatevoltagetoriseataratedeterminedbythecurrentandcapacitor.WhenthegatevoltageapproachestheFETthresholdvoltage,theFETstartstoconduct.Initially,theFETappearsasalargeresistanceinserieswiththeinternalcapacitanceoftheconverterallowingthecapacitancetochargeslowlyandlimitingtheinrushcurrentatstartup.Asthegatevoltageincreases,theresistanceofthecurrentlimiterFETdecreasesuntiltheFETisfullyontherebyminimizingthepowerlossduetothecurrentlimitcircuit.

SenSe on 5 Volt Single oUtpUtTightloadregulationismaintainedviaawidebandwidthmagneticfeedbackandthroughtheuseofremotesenseonthe5voltsingleoutputmodels.Thesensepinfunctionallowsaremoteconnectionforthevoltageregulationcircuittocompensateforvoltagedropsbetweentheconverterandthepointofuse.upto500mVisallowedbetweenthepositivesenseandthepositiveoutputandbetweenthesensereturnandoutputreturn.

Notethatifthesensepinsareconnectedbuttheoutputvoltagepinsarenot,theconvertermaybedamaged.

CAuTION:Theconverterwillbepermanentlydamagedifthepositivesense(pin10)isshortedtoground.Damagemayalsoresultiftheoutputcommonorpositiveoutputisdisconnectedfromtheloadwhentheremotesenseleadsareconnectedtotheload.

OutputCommon

REMOTE SENSE CONNECTION A Make connections at load.

SMP120 SINGLE OUTPUT CONVERTER

1PositiveInput

InputCommon

SenseReturn

PositiveSense

PositiveOutput

FigURe 1: Remote SenSe

www.craneae.com/interpoint Page2of15

sMp120 single output space dc-dc converterspreliMinary – 80 to 160 Volt input – 49 Watt

SMP120RevAEPreliminary-2019.03.20

PRELIMIN

inHibitTheSMP120Seriesincorporatesaninhibitterminalthatcanbeusedtodisableinternalswitching.ItisnotrecommendedtotietheInhibitpinofanSMP120directlytotheInhibitpinofanotherconverterastheSMP120Inhibitpincansinkcurrent.

Whenpullingmultipleinhibitsignalslow,aseparateinterfaceisrecommendedforeachSMP120.TheconverterisinhibitedwhentheInhibitpinispulledlow(<1.0V).Intheinhibitmodetheinhibitpincurrentrequirementislessthan~500µA.TheconverterresumesnormaloperationwhenanopencircuitisappliedtotheInhibitpinortheInhibitpinisreleased.TheopencircuitvoltageoftheInhibitpinis10to13.6volts.

ToenabletheconverteruseanopencollectorontheInhibitpinorleaveitunconnected.SeeFigure2.

opeRationTheSMP120isasingle-endedcurrentmodecontrolforwardconverter.RectificationisperformedusingSchottkydiodes.eFFectS oF exteRnal Voltage SoURce and Remote SenSe connectionSCaremustbetakentoavoidaccidentaldisconnectionofthePositiveOutput(Pin10)orOutputCommon(Pin8)whenRemoteSenseisused.Ifthesensepinsareconnectedtotheload,buttheoutputpowerpinsarenotconnectedtotheload,thentheconvertermaybedamaged.Also,careshouldbetakennottoswapthesensepinconnectionsaspermanentdamagetotheunitwillresult.load cURRent SHaRingTheSMP120convertersdonotsupportloadcurrentsharingorparalleloperation.

FigURe 2: inHibit inteRFace (delay not added)

Debouncer

Typical interface inhibit referenced to input

Inhibit (3)

VIN Rtn (8)

SMP120

InternalEMIFilter

VINReturn

Inhibit

SMP120

FigURe 3:InHibit

PRELIMIN

SeqUencingTheSMP120convertersarewellsuitedforprovidinganintermediatebusvoltagetopowerlowvoltageDC-DCconvertersandPointofLoad(POL)converters.Inordertoensurepredictablestartupandturnoffbehavior,propersequencingoftheSMP120andassociatedloadishighlyrecommended.Thetimingdiagram,Figure4,showsatypicalsequenceoftheapplication/removalofpowerandenabling/inhibitingoftheSMP120andload.

Ideally,theSMP120isenabledaftertheinputpowerhasstabilized.OncetheSMP120outputvoltagehasstabilized,thePOLmaybeenabled.Duringturnoff,thesequenceisreversedwithoneexception,theSMP120andPOLmaybeinhibitedsimultaneously,thentheinputpowermayberemoved.AdheringtothissequencingprotocolwillensurethattheSMP120andPOLwillpowerupanddowninapredictablemanner.Table1belowdescribesthetiminginmoredetail.

SMP Inhibit Pin

VIN Return

SMP120

VOUTReturn

POL Inhibit

SMP Inhibit

VINReturn

POL or DC-DC Converter ToLoad

SMP Input Voltage (VIN)

SMP Output Voltage (VOUT)

POL Inhibit/Enable Pin

POL Output Voltage (VOUT)

t1 t2 t3 t4 t5 t6 t7 t8

Inhibit/EnableInhibit

FigURe 4: SeqUence diagRam

table 1: SeqUence timing

Sequence Description Minimum Timet1 – t2 Initial application of power Dependent on system characteristicst2 – t3 Input power stabilization Dependent on system characteristicst3 Enable SMP120

t3 - t4 SMP120 Output Voltage start up 25 ms maxt4 – t5 SMP120 Output Voltage stabilization time <1 mst5 Enable POL

t5 – t6 POL Output Voltage start up Dependent on POLt6 – t7 Normal operation

t7 Inhibit SMP120 and POL, may be simultaneous

t7 – t8 SMP120 and POL output voltage turn off and decay Dependent on loadt8 Removal of input power.

PRELIMIN

SyncHRonizationTheSyncInputpinisisolatedwhichallowstheSyncReturnpintobetiedtotheprimaryside,secondaryside,orfloatwithrespecttoallinputsandoutputs.

emiTheSMP120includesanintegrated2-section,dampedLCEMIfiltertoreducethereflectedinputcurrentripple.ThefilterisdampedtoreducethepeakingatresonancetominimizethestressontheEMIfilterandpowercomponents.ThedampingalsoservestominimizetheinteractionofthefilteroutputimpedancewiththenegativeinputimpedanceoftheDC-DCconverter.

electRoStatic diScHaRge SenSitiVity (eSd)TheSMP120SeriesconvertersESDratingisTBD.

oUtpUt Voltage tRimTheoutputvoltagemaybetrimmedupordownapproximately+/-10%bytyingtheTrimpintogroundortiedtoVOuTpinviaaprogrammingresistor(RTRIM).

TotrimupconnectthetrimresistortoVOuTReturn(pin8).Forthe5voltsingles,SenseReturn(pin7)mustalsobeconnectedtoVOuTReturn(pin8).

TotrimdownconnectthetrimresistortoVOuT(pin9).Forthe5voltsingles,PositiveSense(pin10)mustalsobeconnectedtoVOuT(pin9).

RTistheexternaltrimresistorinkiloohms.

X=VOuT-2.5(whereVOuTisthedesiredoutputvoltage)

5voltoutputtrimTrimup:RT=(12.475/(X-2.5))-16.5.Trimdown;RT=(4.99*X/(2.5-X))-16.5.28voltoutputtrimTrimup:RT=(127.75/(X-25.6012))-33.2Trimdown:RT=(51.1*X/(25.6012-X))-33.2

NOTE:Donotexceedmaximumoutputcurrentratingwhentrimmingdown.

NOTE:Donotexceedmaximumoutputpowerratingwhentrimmingup.

2 nF 68 pF

5 k1 k

SyncReturn

Sync(Clock) Clock

FigURe 5:Sync

From Inrush

Filter

5 ohms 2.5 ohms

ToConverter

500 nH 500 nH

3.3 µH 3.3 µH

1.5 µF0.75 µF

FigURe 6:BUilt in emi FilteR

PRELIMIN

V IN80

lts V INR

trolle

PRELIMIN

V IN80

lts V INR

trolle

PRELIMIN

FigURe 9: top VieW pin oUt

FigURe 10: pinS not in USe

FordimensionsseeFigure12.

pins not in useInhibit LeaveunconnectedSyncIn ConnecttoSyncReturnSenseLines MustbeconnectedtoappropriateoutputsTrim LeaveunconnectedCase Leaveunconnected

table 2: pin oUt

pin outpin 5 Volt single output 28 Volt single output1 VIN VIN2 VINReturn VINReturn3 Inhibit Inhibit4 Sync(ExternalClock) Sync(ExternalClock)5 SyncReturn SyncReturn6 Trim Trim7 SenseReturn NoConnection8 VOuTReturn VOuTReturn9 VOuT VOuT10 PositiveSense NoConnection11 Case Case

PRELIMIN

Model nuMbering key

SMP 120 05 S / K 1 R 1 Base Model

Input VoltageOutput Voltage

Environmental ScreeningRadiation Hardness

Assurance (RHA)

Number of Outputs (S=single)

(Vout for single models)

Model nuMber options To deTermine The model number enTer one opTion from

each caTegory in The form below.

category base Model and input Voltage

output Voltage number of outputs 1

screening 2 rHa 3

options SMP120

O O05,28 S H L

Fill in For Model # 4 SMP120__________ __________ / _______

Notes1.NumberofOutputs:Sisasingleoutput.2.Screening:ScreenedtoMIL-PRF-38534.ClassHandKarependingproductvalidation.AscreeninglevelofOisaSpacePrototypeandisonlyusedwithRHAO.SeeTable6andTable7formoreinformation.

3.RHA:ScreenedtoMIL-PRF-38534.RHALandRarependingproductvalidation.Interpointmodelnumbersusean“O”intheRHAdesignatorpositiontoindicatethe“-”(dash)RHAlevelofMIL-PRF-38534,whichisdefinedas“noRHA.”RHAOisonlyavailablewithscreeninglevelO.SeeTable7formoreinformation.

4.Iforderingbymodelnumberadda“-Q”torequestsolderdippedleads(SMP12005S/KR-Q).

table 3: model nUmbeR optionS

FigURe 11: model nUmbeRing key1.ScreenedtoMIL-PRF-38534.ClassHandKandRHALandRarependingproductvalidation.

PRELIMIN

Notes1.Characterizationtestand/oranalysis.Notaproductiontest.2.PassesTBDvolts.3.Inputvoltageshouldriseandfallnoslowerthan50volts/ms.Ifthisisnotpossible,theSMP120shouldbeinhibitedpriortotheremovalofpower.SeesectiononSequencingonpage4.

4.Canonlybesynchronizedabovethedefaultoperatingfrequency.5.TestedwithInhibitpinat<1.0volts.

table 4: opeRating conditionS - all modelS, 120 Vin UnleSS otHeRWiSe SpeciFied.

ALLMODELSPARAMETER CONDITIONS MIN TYP MAX uNITSLEADSOLDERINgTEMPERATuRE1 10SECONDSMAX. — — 300 °CSTORAgETEMPERATuRE1 -65 — +150 °C

CASEOPERATINg FuLLPOWER -55 — +125 °CTEMPERATuRE ABSOLuTE1 -55 — +135

DERATINgOuTPuTPOWER/CuRRENT1 LINEARLY From100%at125°Cto0%at135°C

ESDRATINg1,2 MIL-STD-883METHOD3015 — — TBD VMIL-PRF-38534,3.9.5.8.2 CLASSTBD,TC=25°C

ISOLATION:INPuTTOOuTPuTOR @500VDC,TC=25°C 100 — — MegohmsANYPINTOCASEEXCEPTCASEPIN

uNDERVOLTAgELOCKOuT3 RISINgVIN(TuRNON) — 75 79 VTC=-55°CTO+125°C FALLINgVIN(TuRNOFF) 71 75 —

CuRRENTLIMITTC=-55°CTO+125°C %OFFuLLLOAD 110 — 145 %

AuDIOREJECTION1 TC=25°C — 50 — dB

OuTPuTVOLTAgETRIMRANgE SEEPAgE5 — ±10 — %

TC=-55°CTO+125°C NOTuSED LEAVEPINOPENSWITCHINgFREQuENCY OPERATINgFREQuENCY 470 500 530 kHz

TC=-55°CTO+125°C

SYNCHRONIZATION4 INPuTFREQuENCY 480 — 550 kHz

TC=-55°CTO+125°C

SYNCISFLOATINgANDISOLATED DuTYCYCLE 30 — 70 %

TC=-55°CTO+125°C ACTIVELOW — — 0.8 VACTIVEHIgH 3 — 5

REFERENCEDTO SYNCRETuRNIFNOTuSED CONNECTTOSYNCRETuRN

INHIBITACTIVELOW(OuTPuTDISABLED) INHIBITPINPuLLEDLOW1,5 — — 1 V

TC=-55°CTO+125°C INHIBITPINSOuRCE — — 500 µA

Donotapplyavoltagetotheinhibitpin CuRRENT1

REFERENCEDTO INPuTCOMMON

INHIBITACTIVEHIgH(OuTPuTENABLED INHIBITPINCONDITION OPENCOLLECTORORTC=-55°CTO+125°C uNCONNECTEDDonotapplyavoltagetotheinhibitpin OPENINHIBITPIN 10 12 13.6 V

VOLTAgE1

PRELIMIN

table 5: electRical cHaRacteRiSticS: -55°c to +125°c caSe, 120 Vin, 100% load, UnleSS otHeRWiSe SpeciFied.

Notes1.Characterizationtestand/oranalysis.Notaproductiontest.2.20MHzripplemeasuredwith0.01µFcapacitorconnectedascloseaspossibletoVOuTanVOuTreturnpins.

3.Maximumpowerdissipationwhenoutputisshorted.4.Recoveryandstart-uptimesaremeasuredfromapplicationofthetransient,orchangeincondition,tothepointatwhichVOuTiswithin1%offinalvalue.

5.Steploadtransitiontestisperformedwithloadcurrentrisetimeat10microsecondstypical.

6.Halfloadto/fromfullload.7.Steplinetestisperformedwithinputvoltagerisetimeat100microseconds±20microseconds.

8.Measuredfromreleaseofinhibitorinputvoltagestep.9.MinimumESR:0.05ohmsfor5volt,0.1ohmsfor28volt.10.MaximumESR:0.5ohmsfor5volt,1.0ohmsfor28volt.

SINgLEOuTPuTMODELS SMP12005S SMP12028SuNITSPARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX

OuTPuTVOLTAgE 4.90 5.00 5.10 27.4 28 28.6 VOuTPuTCuRRENT — — 8.0 — — 1.75 AOuTPuTPOWER — — 40 — — 49 WOuTPuTRIPPLE TC=25°C — 50 75 — 25 85 mVp-p10kHz-2MHz TC=-55°CTO+125°C — — 100 — — 85

OuTPuTRIPPLE2 TC=25°C — 50 175 — 50 125 mVp-p10kHz-20MHz TC=-55°CTO+125°C — — 175 — — 125

LINEREguLATION VIN=80TO160V — 1 10 — 1 140 mVLOADREguLATION NOLOADTOFuLL — 1 10 — 25 140 mVINPuTVOLTAgE CONTINuOuS 80 120 160 80 120 160 V

TRANSIENT100ms1 — — 180 — — 180 VINPuTCuRRENT NOLOAD — — 75 — — 75 mA

INHIBITED — — 1.2 — — 1.2

INPuTRIPPLECuRRENT 10kHz-2MHz — 20 50 — 20 50 mAp-p10kHz-20MHz — — 90 — — 90

EFFICIENCY TC=25°C 72 75 — 80 83 — %TC=-55°Cto+125°C 71 — — 78 — —

LOADFAuLT3,4 POWERDISSIPATION — 7 12 — 5 12 WRECOVERY — — 25 — — 25 ms

STEPLOADRESPONSE4,5,6 TRANSIENT — — ±350 — — ±1000 mVpk50%-100%-50% RECOVERY — 500 — — 500 µsSTEPLINERESPONSE1,4,7 TRANSIENT — ±100 — — ±400 — mVpkVIN=80-160-80 RECOVERY — 500 — — 500 — µsSTART-uP4,8 DELAY — — 25 — — 25 ms

OVERSHOOT — — 50 — — 280 mVpk

CAPACITIVELOAD9,10TC=25°C

uNCONDITIONALLYSTABLE,START-uPDELAYINCREASED

— — 1000 — — 200 µF

PRELIMIN

FigURe 12: caSe S1

MaterialsHeader Cold Rolled Steel/Nickel/Gold Cover Kovar/NickelPins Copper cored 3:1 alloy 52, glass compression seal Gold plating of 50 - 150 microinches included in pin diameter Seal hole 0.091 ±0.002 (2.31 ±0.051)

Please refer to the numerical dimensions for accuracy. Case S1, Rev C, 2019.03.14

Case dimensions in inches (mm)Tolerance ±0.005 (0.13) for three decimal places ±0.01 (0.3) for two decimal places unless otherwise specified

CAUTIONHeat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin

Weight: 140 grams typical

TOP VIEW CASE S1 SMP120

Pin 11 x 0.040 ±0.002 (1.02 ±0.05)

11 x 0.250 max (6.35)

Flange Detail

0.150 (3.81)

0.400(10.16)

2 X 0.25(6.35)

2 X 0.1375(3.493)4 X R 0.05(1.27)

4 X R 0.0625 (1.587)

1.750 (44.45)

2.000 (50.8)

2.000 (50.80)

2.300(58.42)

2.55(64.77)

3.000 (76.20)

2.150 (54.61)

1.500 (38.10)

1.250 (31.75)

1.000 (25.40)

0.750 (19.05)

0.500 (12.70)

0.250 (6.35)

0.500 (12.70)

1.100 (27.94)0.450 (11.43)

0.000.150 (3.81)

Seam seal

SMP120RevAEPreliminary-2019.03.20www.craneae.com/interpoint

PRELIMIN

table 6: element eValUation

elemenT eValuaTion Space dc-dc conVerTerS proToType, claSS h and claSS K

non-Qml 1 Qml 2

proToType claSS h claSS K

componenT-leVel TeST performed

/o /h /Km/S 3 m/S 3 p 4 m/S 3 p 4

ElementElectrical n n n n n

Visual n n n n

InternalVisual n n

TemperatureCycling n n

ConstantAcceleration n n

InterimElectrical n

Burn-in n

PostBurn-inElectrical n

SteadyStateLife n

VoltageConditioningAging n

VisualInspection n

FinalElectrical n n n n

WireBondEvaluation n n n n

Notes1.Non-QMLproductsmaynotmeetalloftherequirementsofMIL-PRF-38534.2.ScreenedtoMIL-PRF-38534.ClassHandKarependingproductvalidation.3.M/S=Activecomponents(microcircuitandsemiconductordie)4.P=Passivecomponents,ClassHandKelementevaluation.Notapplicabletospaceprototype(“O”)elementevaluation.

DefinitionsElementEvaluation:Componenttesting/screeningperMIL-STD-883asdeterminedbyMIL-PRF-38534SEM:scanningelectronmicroscopy

ElemEvalSpaceDC-DCConvertersworw/outSMDandnoRHAPSMP120SMHF42SLH,DennisKooverifiednoC-SAM

PRELIMIN

table 7: enViRonmental ScReening Space dc-dc conVeRteRS pRototype, claSS H and claSS k

EnvScSpaceDC-DCnoSMD,noRHAPSMHF42SMP120

enVironmenTal Screening Space dc-dc conVerTerS proToType, claSS h and claSS K

non-Qml 1 Qml 2, 3

proToType claSS h claSS KTeST performed /oo 4 /hl /hr /Kl /Krnon-destruct wire bond pull, Method 2023 n5 n5 n n

pre-cap inspection, Method 2017, 2032 n n n n n

temperature cycle (10 times)

Method1010,Cond.C,-65°Cto+150°C,ambient n n n n n

constant acceleration Method2001,3000g n n n n n

pind, test Method 2020, cond. a n5 n5 n n

pre burn-in test, group a, subgroups 1 and 4 n n5 n5 n n

burn-in Method 1015, +125°c case, typical 6

96hours n

160hours n n

2x160hours(includesmid-BItest) n n

Final electrical test, Mil-prF-38534, group a, Subgroups1and4:+25°Ccase n

Subgroups1through6,-55°C,+25°C,+125°Ccase n n n n

Hermeticity test, Method 1014grossLeak,Cond.B2,Kr85 n n

grossLeak,Cond.C1,fluorocarbon n n n

FineLeak,Cond.B1,Kr85 n n

FineLeak,Cond.A2,helium n n n

radiography, Method 2012 n n

post radiography electrical test, +25°c case n5 n5

Final visual inspection, Method 2009 n n n n n

TestmethodsarereferencedtoMIL-STD-883asdeterminedbyMIL-PRF-38534.

Notes1.Non-QMLprototypeproductsmaynotmeetalloftherequirementsofMIL-PRF-38534.

2.AllprocessesareQMLqualifiedandperformedbycertifiedoperators.3.ScreenedtoMIL-PRF-38534.ClassH,ClassK,RHAL,RHAR,andSEEarependingproductvalidation.

4.“O”intheRHAdesignatorpositioninInterpointmodelnumbersindicatesDLARHA“-”definedasnoRHA.

5.NotrequiredbyDLAbutperformedtoassureproductquality.6.Burn-intemperaturedesignedtobringthecasetemperatureto+125°Cminimum.Burn-inisapoweredtest.

PRELIMIN

table 8: Space Radiation HaRdneSS aSSURance dc-dc conVeRteRS claSS H and claSS k, RHa l and R

Space radiaTion hardneSS aSSurance Screening dc-dc conVerTerS claSS h and claSS K, rha 1 l and r

non-Qml 2 Qml 3

proToType claSS h claSS KQualificaTion per mil-STd /oo 4 /hl /hr /Kl /KrrHa l: 50 krad(si) total dose 1, 5, 6 n n

rHa r: 100 krad(si) total dose 1, 5, 6 n n

see, let 43 MeV cm2/mg 1, 7 n n n n

TestmethodsarereferencedtoMIL-STD-883asdeterminedbyMIL-PRF-38534.

Notes1.OurRedmondfacilityhasaDLAapprovedRHAplanforInterpointpowerproducts.OurSMDproductswithRHA“L”or“R”codemeetDLArequirements.

2.Non-QMLprototypeproductsmaynotmeetalloftherequirementsofMIL-PRF-38534.

3.ScreenedtoMIL-PRF-38534.ClassH,ClassK,RHAL,RHAR,andSEEarependingproductvalidation,

4.“O”intheRHAdesignatorpositioninInterpointmodelnumbersindicatesDLARHA“-”definedasnoRHA.

5.Radiationsensitivecomponentsinternaltothedevicesareprocuredwithradiationguaranteesorundergoradiationlotacceptancetesting(RLAT)performedperconditionA,method1019ofMIL-STD-883.

6.Arepresentativeconverterwashighdoserate(HDR)testedusingconditionAofmethod1019ofMIL-STD-883to150krads(Si)toensureRHAdesignatorlevel“R”(100krad(Si)).Pendingproductvalidation.

7.Singleeventtestingwasperformedonaconverterto43MeV-cm2/mgusing15MeV/nucleongoldionswithnolatch-up,burn-out,functionalinterrupts,orgaterupturesexhibited.Singleeventupsets(outputvoltagetransients)maybepresentupto43MeV-cm2/mg.Pendingproductvalidation.

EnvScSpaceDC-DCnoSMD,noRHAPSMHF42SMP120

SMP120RevAEPreliminary-2019.03.20.Thisrevisionsupersedesallpreviousreleases.Alltechnicalinformationisbelievedtobeaccurate,butnoresponsibilityisassumedforerrorsoromissions.CraneElectronics,Increservestherighttomakechangesinproductsorspecificationswithoutnotice.InterpointisaregisteredtrademarkofCraneCo.andSMP120SeriesisatrademarkofCraneElectronics,Inc.Copyright©2005-2019CraneElectronics,Inc.Allrightsreserved.www.craneae.com/interpoint

PRELIMIN

preliMinary – 80 to 160 Volt input – 49...

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