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SMHF285DF/KR PDF预览

SMHF285DF/KR

更新时间: 2024-01-27 23:48:03
品牌 Logo 应用领域
CRANE 局域网输出元件
页数 文件大小 规格书
15页 801K
描述
2-OUTPUT 15W DC-DC REG PWR SUPPLY MODULE, HERMETIC SEALED, METAL PACKAGE-8

SMHF285DF/KR 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:compliantECCN代码:EAR99
风险等级:5.74其他特性:ADDITIONAL -5V OUTPUT AVAILABLE
模拟集成电路 - 其他类型:DC-DC REGULATED POWER SUPPLY MODULE最大输入电压:40 V
最小输入电压:16 V标称输入电压:28 V
JESD-30 代码:R-MDFM-P8功能数量:1
输出次数:2端子数量:8
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电压:5.05 V最小输出电压:4.95 V
标称输出电压:5 V封装主体材料:METAL
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
认证状态:Not Qualified筛选级别:MIL-PRF-38534 Class K
表面贴装:NO技术:HYBRID
温度等级:MILITARY端子形式:PIN/PEG
端子位置:DUAL总剂量:100k Rad(Si) V
最大总功率输出:15 W微调/可调输出:NO
Base Number Matches:1

SMHF285DF/KR 数据手册

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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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