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SMHF2805S/OO PDF预览

SMHF2805S/OO

更新时间: 2024-01-29 12:09:02
品牌 Logo 应用领域
CRANE /
页数 文件大小 规格书
15页 801K
描述
Analog Circuit, Hybrid,

SMHF2805S/OO 技术参数

生命周期:Transferred零件包装代码:MODULE
包装说明:, MODULE,8LEAD,1.45针数:8
Reach Compliance Code:unknown风险等级:5.57
最大输入电压:40 V最小输入电压:16 V
端子数量:8最大输出电流:2.4 A
标称输出电压:5 V封装主体材料:METAL
封装等效代码:MODULE,8LEAD,1.45封装形式:MICROELECTRONIC ASSEMBLY
认证状态:Not Qualified子类别:Other Analog ICs
技术:HYBRIDBase Number Matches:1

SMHF2805S/OO 数据手册

 浏览型号SMHF2805S/OO的Datasheet PDF文件第2页浏览型号SMHF2805S/OO的Datasheet PDF文件第3页浏览型号SMHF2805S/OO的Datasheet PDF文件第4页浏览型号SMHF2805S/OO的Datasheet PDF文件第5页浏览型号SMHF2805S/OO的Datasheet PDF文件第6页浏览型号SMHF2805S/OO的Datasheet PDF文件第7页 
Crane Aerospace & Electronics Power Solutions  
smHF sꢀꢁgꢂꢃ ꢄꢁꢅ dꢆꢄꢂ dc/dc cꢇꢁvꢃꢈꢉꢃꢈꢊ  
28 Volt input – 15 Watt  
Features  
•ꢀ FullyꢀqualifiedꢀtoꢀClassꢀHꢀorꢀK  
•ꢀ -55°Cꢀtoꢀ+125°Cꢀoperation  
•ꢀ 16ꢀtoꢀ40ꢀVDCꢀinput  
•ꢀ FullyꢀIsolated  
•ꢀ Radꢀhardꢀoptocouplerꢀfeedback  
•ꢀ Fixedꢀfrequency,ꢀ550ꢀkHzꢀtypical  
•ꢀ Topologyꢀ–ꢀSingleꢀEndedꢀForward  
•ꢀ Transientꢀprotectionꢀ50ꢀV/120ꢀmsꢀ  
•ꢀ Inhibitꢀfunction  
models  
•ꢀ Syncꢀfunction  
vDc  
•ꢀ Indefiniteꢀshortꢀcircuitꢀprotection  
•ꢀ Undervoltageꢀlockout  
SIꢁꢂLE  
DUAL  
5
12  
2.5  
3.3  
5
•ꢀ Upꢀtoꢀ82%ꢀefficiency  
15  
12  
15  
description  
theꢀoutputꢀloadꢀcurrentꢀandꢀprovidingꢀaꢀconstantꢀcurrentꢀoutputꢀ  
aboveꢀtheꢀoverloadꢀpoint.ꢀ  
TheꢀSMHFꢀSeries™ꢀofꢀ28ꢀVꢀDC/DCꢀconvertersꢀoffersꢀaꢀwideꢀ  
inputꢀvoltageꢀrangeꢀofꢀ16ꢀtoꢀ40ꢀvoltsꢀandꢀupꢀtoꢀ15ꢀwattsꢀofꢀ  
outputꢀpower.ꢀTheꢀunitsꢀareꢀcapableꢀofꢀwithstandingꢀshortꢀtermꢀ  
transientsꢀupꢀtoꢀ50ꢀvolts.ꢀTheꢀpackageꢀisꢀaꢀhermeticallyꢀsealed,ꢀ  
projection-weldedꢀmetalꢀcase.ꢀFlangedꢀandꢀnon-flangedꢀmodelsꢀ  
areꢀavailable.ꢀ  
HigHer Power DenSity  
TheꢀSMHFꢀSeriesꢀoffersꢀaꢀnewꢀstandardꢀofꢀperformanceꢀforꢀsmallꢀ  
sizeꢀandꢀhighꢀpowerꢀdensity.ꢀAtꢀjustꢀ0.33ꢀinchꢀhighꢀandꢀaꢀtotalꢀ  
2
footprintꢀofꢀ1.7ꢀin ,ꢀthisꢀlowꢀprofileꢀpackageꢀoffersꢀaꢀtotalꢀpowerꢀ  
Screening  
densityꢀofꢀupꢀtoꢀ30ꢀwattsꢀperꢀcubicꢀinch.ꢀ  
SMHFꢀconvertersꢀofferꢀscreeningꢀoptionsꢀtoꢀSpaceꢀPrototypeꢀ(O),ꢀ  
ClassꢀH,ꢀorꢀClassꢀK.ꢀRadiationꢀtolerantꢀtoꢀRadiationꢀHardnessꢀ  
Assuranceꢀ(RHA)ꢀlevelsꢀofꢀ“-”ꢀ(O)ꢀorꢀ“R”,ꢀperꢀMIL-PRF-38534.ꢀ  
Interpointꢀmodelꢀnumbersꢀuseꢀanꢀ“O”ꢀinꢀtheꢀRHAꢀdesignatorꢀposi-  
tionꢀtoꢀindicateꢀtheꢀ“-”ꢀ(dash)ꢀRadiationꢀHardnessꢀAssuranceꢀlevelꢀ  
ofꢀMIL-PRF-38534,ꢀwhichꢀisꢀdefinedꢀasꢀ“noꢀRHA”.ꢀSeeꢀ“ClassꢀHꢀ  
andꢀK,ꢀMIL-PRF-38534ꢀScreening”ꢀtablesꢀforꢀmoreꢀinformation.  
Low noiSe, HigH AuDio rejection  
TheꢀSMHFꢀconverter’sꢀfeed-forwardꢀcompensationꢀsystemꢀ  
providesꢀexcellentꢀdynamicꢀresponseꢀandꢀnoiseꢀrejection.ꢀAudioꢀ  
rejectionꢀisꢀtypicallyꢀ50ꢀdB.ꢀTypicalꢀoutputꢀvoltageꢀresponseꢀforꢀ  
aꢀ50%ꢀtoꢀ100%ꢀstepꢀloadꢀtransientꢀisꢀasꢀlowꢀasꢀ1.3%ꢀwithꢀaꢀ150ꢀ  
µSꢀrecoveryꢀtime.ꢀInputꢀrippleꢀcurrentꢀisꢀtypicallyꢀ35ꢀmAꢀp-pꢀwithꢀ  
outputꢀrippleꢀvoltageꢀtypicallyꢀ50ꢀmVꢀp-pꢀ.  
converter DeSign  
TheꢀSMHFꢀconvertersꢀareꢀswitchingꢀregulatorsꢀthatꢀuseꢀaꢀquasi-  
squareꢀwave,ꢀsingle-endedꢀforwardꢀconverterꢀdesignꢀwithꢀaꢀ  
constantꢀswitchingꢀfrequencyꢀofꢀ550ꢀkHz.ꢀIsolationꢀbetweenꢀinputꢀ  
andꢀoutputꢀcircuitsꢀisꢀprovidedꢀwithꢀaꢀtransformerꢀinꢀtheꢀforwardꢀ  
pathꢀandꢀaꢀtemperatureꢀcompensatedꢀopto-couplerꢀinꢀtheꢀfeed-  
backꢀcontrolꢀloop.ꢀTheꢀopto-couplerꢀisꢀradiationꢀhardenedꢀandꢀisꢀ  
especiallyꢀselectedꢀforꢀspaceꢀapplications.  
inHibit Function  
SMHFꢀconvertersꢀprovideꢀanꢀinhibitꢀterminalꢀthatꢀcanꢀbeꢀusedꢀ  
toꢀdisableꢀinternalꢀswitching,ꢀresultingꢀinꢀnoꢀoutputꢀandꢀveryꢀlowꢀ  
quiescentꢀinputꢀcurrent.ꢀTheꢀconverterꢀisꢀinhibitedꢀwhenꢀaꢀlogicꢀ  
lowꢀ(0.8ꢀ–ꢀoutputꢀdisabled)ꢀisꢀappliedꢀtoꢀtheꢀinhibitꢀpin.ꢀTheꢀ  
unitꢀisꢀenabledꢀwhenꢀtheꢀpin,ꢀwhichꢀisꢀinternallyꢀconnectedꢀtoꢀaꢀ  
pull-upꢀresistor,ꢀisꢀleftꢀunconnectedꢀorꢀisꢀconnectedꢀtoꢀanꢀopen-  
collectorꢀgate.ꢀTheꢀopenꢀcircuitꢀoutputꢀvoltageꢀassociatedꢀwithꢀtheꢀ  
inhibitꢀpinꢀisꢀ8.5ꢀtoꢀ12ꢀVDC.ꢀInꢀtheꢀinhibitꢀmode,ꢀaꢀmaximumꢀofꢀꢀ  
4ꢀmAꢀmustꢀbeꢀsunkꢀfromꢀtheꢀinhibitꢀpinꢀatꢀ28ꢀVDCꢀinput.  
ForꢀtheꢀSMHFꢀdualꢀoutputꢀmodels,ꢀcrossꢀregulationꢀisꢀmaintainedꢀ  
byꢀtightlyꢀcoupledꢀoutputꢀmagnetics.ꢀUpꢀtoꢀ70%ꢀofꢀtheꢀtotalꢀoutputꢀ  
powerꢀisꢀavailableꢀfromꢀeitherꢀoutput,ꢀprovidingꢀtheꢀoppositeꢀ  
outputꢀisꢀsimultaneouslyꢀcarryingꢀ30%ꢀofꢀtheꢀtotalꢀoutputꢀpower.ꢀ  
Predictableꢀcurrentꢀlimitꢀisꢀaccomplishedꢀbyꢀdirectlyꢀmonitoringꢀ  
CraneꢀAerospaceꢀ&ꢀElectronics  
Pageꢀ1ꢀofꢀ15  
RevꢀDꢀ-ꢀ20070404  
Electronicsꢀꢂroupꢀ(InterpointꢀBrand)  
POꢀBoxꢀ97005ꢀꢀ•ꢀꢀRedmondꢀWAꢀ98073-9705  
425.882.3100ꢀꢀꢀ•ꢀꢀꢀelectronics@craneae.com  
www.craneae.com  

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