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MGH2805DZ/883 PDF预览

MGH2805DZ/883

更新时间: 2024-09-16 01:10:51
品牌 Logo 应用领域
CRANE 输出元件
页数 文件大小 规格书
13页 344K
描述
MCH/MGH Single and Dual DC-DC Converters 28 Volt input – 1.5 Watt

MGH2805DZ/883 技术参数

生命周期:Contact Manufacturer包装说明:SOP, GWDIP18,1.14
Reach Compliance Code:compliantECCN代码:EAR99
风险等级:5.56Is Samacsys:N
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:50 V最小输入电压:12 V
标称输入电压:28 VJESD-30 代码:R-MDMA-G18
JESD-609代码:e4功能数量:1
输出次数:2端子数量:18
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电流:0.24 A最大输出电压:5.2 V
最小输出电压:4.8 V标称输出电压:5 V
封装主体材料:METAL封装代码:SOP
封装等效代码:GWDIP18,1.14封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY认证状态:Not Qualified
筛选级别:MIL-STD-883子类别:Other Analog ICs
表面贴装:YES技术:HYBRID
温度等级:MILITARY端子面层:GOLD
端子形式:GULL WING端子节距:2.54 mm
端子位置:DUAL最大总功率输出:1.5 W
微调/可调输出:NOBase Number Matches:1

MGH2805DZ/883 数据手册

 浏览型号MGH2805DZ/883的Datasheet PDF文件第2页浏览型号MGH2805DZ/883的Datasheet PDF文件第3页浏览型号MGH2805DZ/883的Datasheet PDF文件第4页浏览型号MGH2805DZ/883的Datasheet PDF文件第5页浏览型号MGH2805DZ/883的Datasheet PDF文件第6页浏览型号MGH2805DZ/883的Datasheet PDF文件第7页 
                                                                                                
Crane Aerospace & Electronics Power Solutions  
MCH/MGH Single and Dual DC-DC Converters  
28 Volt input – 1.5 Watt  
Features  
smꢀll fooꢁpꢂinꢁ, 0.79 in2 (5.1 cm2) - MCH  
sꢃꢂfꢀcꢄ moꢃnꢁ pꢀckꢀgꢄ - MGH  
•ꢀ Operatingꢀtemperatureꢀ-55°Cꢀtoꢀ+125°C  
•ꢀ Inputꢀvoltageꢀ12ꢀtoꢀ50ꢀVDC  
•ꢀ Transientꢀprotectionꢀ80ꢀVꢀforꢀupꢀtoꢀ120ꢀmsꢀ  
-ꢀ 70ꢀVꢀforꢀ15ꢀVꢀsingleꢀandꢀdualꢀmodels  
•ꢀ Fullyꢀisolated,ꢀmagneticꢀfeedback  
•ꢀ Fixedꢀfrequencyꢀswitching  
•ꢀ Inhibitꢀfunction  
MODeꢅs  
VDC Output  
•ꢀ Shortꢀcircuitꢀprotection  
SINGLE  
DUAL  
±5  
•ꢀ Undervoltageꢀlockout  
5
•ꢀ Upꢀtoꢀ79%ꢀefficiency  
12  
15  
±12  
±15  
DesCrIPtION  
Dualꢀmodelsꢀregulateꢀtheꢀnegativeꢀoutputꢀwithꢀmagneticꢀcouplingꢀ  
toꢀtheꢀpositiveꢀoutput.ꢀUpꢀtoꢀ80%ꢀofꢀtheꢀtotalꢀloadꢀmayꢀbeꢀonꢀ  
oneꢀoutputꢀprovidingꢀthatꢀtheꢀotherꢀoutputꢀcarriesꢀaꢀminimumꢀofꢀ  
20%ꢀofꢀtheꢀtotalꢀload.ꢀTheꢀdualꢀmodelsꢀcanꢀbeꢀusedꢀatꢀdoubleꢀ  
theꢀoutputꢀvoltageꢀbyꢀconnectingꢀtheꢀloadꢀbetweenꢀpositiveꢀandꢀ  
negativeꢀoutputs,ꢀleavingꢀtheꢀcommonꢀunconnected.ꢀꢀ  
TheꢀInterpointꢀMCHꢀꢀSeries™ꢀandꢀMGHꢀSeriesꢀofꢀdc-dcꢀ  
convertersꢀdeliverꢀ1.5ꢀwattsꢀofꢀoutputꢀpowerꢀwhileꢀsavingꢀ  
significantꢀboardꢀrealꢀestate.ꢀTheꢀwideꢀinputꢀvoltageꢀrangeꢀofꢀ12ꢀ  
toꢀ50ꢀVDCꢀacceptsꢀtheꢀvaryingꢀvoltagesꢀofꢀmilitary,ꢀaerospace,ꢀorꢀ  
spaceꢀbusꢀpowerꢀandꢀtightlyꢀregulatesꢀoutputꢀvoltagesꢀtoꢀprotectꢀ  
downstreamꢀcomponents.ꢀTransientꢀprotectionꢀofꢀ80ꢀvoltsꢀforꢀupꢀ  
toꢀ120ꢀmillisecondsꢀexceedsꢀtheꢀrequirementsꢀofꢀMIL-STD-704Aꢀ  
forꢀtheꢀ5ꢀandꢀ12ꢀvoltꢀsingleꢀmodelsꢀandꢀtheꢀ12ꢀvoltꢀdualꢀmodel.ꢀ  
Theꢀ15ꢀvoltꢀsingleꢀandꢀdualꢀconvertersꢀwillꢀwithstandꢀtransientsꢀofꢀ  
upꢀtoꢀ70ꢀvoltsꢀforꢀupꢀtoꢀ120ꢀmilliseconds.  
(ex:ꢀMCH2805Dꢀcanꢀbeꢀusedꢀasꢀaꢀ10ꢀVDCꢀoutput.)  
inhibit FunCtion  
MCHꢀandꢀMGHꢀconvertersꢀprovideꢀanꢀinhibitꢀterminalꢀthatꢀcanꢀbeꢀ  
usedꢀtoꢀdisableꢀinternalꢀswitching,ꢀresultingꢀinꢀnoꢀoutputꢀvoltageꢀ  
andꢀanꢀinputꢀcurrentꢀasꢀlowꢀasꢀ2.3ꢀmA.ꢀTheꢀconverterꢀisꢀinhibitedꢀ  
whenꢀtheꢀinhibitꢀpinꢀisꢀpulledꢀbelowꢀ0.8ꢀVꢀandꢀenabledꢀwhenꢀitsꢀ  
inhibitꢀpinꢀisꢀleftꢀfloating.ꢀAnꢀexternalꢀinhibitꢀinterfaceꢀshouldꢀbeꢀ  
capableꢀofꢀpullingꢀtheꢀconverter’sꢀinhibitꢀpinꢀbelowꢀ0.8ꢀVꢀwhileꢀ  
sinkingꢀtheꢀmaximumꢀinhibitꢀcurrentꢀandꢀalsoꢀallowingꢀtheꢀinhibitꢀ  
pinꢀtoꢀfloatꢀhighꢀtoꢀenableꢀtheꢀconverter.ꢀAꢀvoltageꢀshouldꢀnotꢀbeꢀ  
appliedꢀtoꢀtheꢀinhibitꢀpin.ꢀTheꢀopenꢀcircuitꢀvoltageꢀpresentꢀonꢀtheꢀ  
inhibitꢀpinꢀisꢀ7ꢀtoꢀ12ꢀV.ꢀ  
Theꢀconvertersꢀareꢀofferedꢀwithꢀstandardꢀscreening,ꢀ“ES”ꢀ  
screening,ꢀorꢀfullyꢀcompliantꢀtoꢀ“883”ꢀMIL-PRF-38534ꢀClassꢀHꢀ  
screening.ꢀSeeꢀ“Tableꢀ11:ꢀElementꢀEvaluation”ꢀonꢀpageꢀ12ꢀandꢀ  
“Tableꢀ12:ꢀEnvironmentalꢀScreening”ꢀonꢀpageꢀ13.ꢀStandardꢀ  
microcircuitꢀdrawingsꢀ(SMD)ꢀareꢀavailable.ꢀSeeꢀ“Tableꢀ5:ꢀ  
MCHꢀSMDꢀNumbers”ꢀonꢀpageꢀ4ꢀandꢀ“Tableꢀ6:ꢀMGHꢀSMDꢀ  
Numbers”ꢀonꢀpageꢀ4.  
Converter Design  
MCHꢀSeriesꢀandꢀMGHꢀSeriesꢀofꢀdc-dcꢀconvertersꢀincorporateꢀaꢀ  
continuousꢀflybackꢀtopologyꢀwithꢀaꢀconstantꢀswitchingꢀfrequencyꢀ  
ofꢀapproximatelyꢀ370ꢀkHz.ꢀꢀCurrent-modeꢀpulseꢀwidthꢀmodulationꢀ  
(PWM)ꢀprovidesꢀoutputꢀvoltageꢀregulation.ꢀOutputꢀerrorꢀvoltageꢀ  
isꢀmagneticallyꢀfedꢀbackꢀtoꢀtheꢀinputꢀsideꢀofꢀtheꢀPWMꢀtoꢀregulateꢀ  
outputꢀvoltage.ꢀRegulationꢀisꢀalsoꢀaffectedꢀbyꢀtheꢀload;ꢀreferꢀꢀ  
toꢀtheꢀElectricalꢀCharacteristicsꢀTableꢀ9ꢀonꢀpageꢀ6ꢀandꢀ  
Tableꢀ10ꢀonꢀpageꢀ7.  
ProteCtion Features  
Undervoltageꢀlockoutꢀpreventsꢀtheꢀconvertersꢀfromꢀoperatingꢀ  
belowꢀapproximatelyꢀ8ꢀVDCꢀinputꢀvoltageꢀtoꢀkeepꢀsystemꢀ  
currentꢀlevelsꢀsmooth,ꢀespeciallyꢀduringꢀinitializationꢀorꢀre-startꢀ  
operations.ꢀAllꢀmodelsꢀincludeꢀaꢀsoft-startꢀfunctionꢀtoꢀpreventꢀ  
largeꢀcurrentꢀdrawꢀandꢀminimizeꢀovershoot.ꢀTheꢀconvertersꢀalsoꢀ  
provideꢀshortꢀcircuitꢀprotectionꢀbyꢀrestrictingꢀtheꢀcurrent.ꢀ  
MiL-stD-461  
UseꢀtheꢀInterpointꢀFMSA-461ꢀ(down-leaded)ꢀorꢀFMGA-461ꢀ  
(surfaceꢀmount,ꢀside-leaded)ꢀEMIꢀfiltersꢀtoꢀpassꢀtheꢀCE03ꢀ  
requirementsꢀofꢀMIL-STD-461C.  
Crane Aerospace & Electronics  
Pageꢀ1ꢀofꢀ13  
Power Solutions – Interpoint Products  
10301 Willows Rd. NE, Redmond, WA 98052  
+1.425.882.3100 • power@crane-eg.com  
www.craneae.com/interpoint  
MCH_MGHꢀRevꢀABꢀ-ꢀ2013.05.31  

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