tag 标签: power-supply

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  • 所需E币: 5
    时间: 2019-12-24 19:27
    大小: 27.85KB
    上传者: 二不过三
    上述电路产生-165V100mA时从+12V输入。基于MAX668变压器反激应用上,该电路采用一个定制的变压器匝数比和占空比组合产生165V通过。SG5型,大小骨架以方便绕组和减少漏感变压器的设计。Maxim>AppNotes>AUTOMOTIVEPOWER-SUPPLYCIRCUITSKeywords:+12VInputConverterGenerates-165Vat100mANov01,2000APPLICATIONNOTE435+12VInputConverterGenerates-165Vat100mAAdditionalInformation:qQuickViewDataSheetfortheMAX668qQuickViewDataSheetfortheMAX4130qTechnicalSupport:PowerThiscircuitusestheMAX668andatransformer(whichwillneedaboutaone-to-sixturnsratio)tomakeaflybackconverter.Theopampinvertsthefeedbackfromthenegativeoutputvoltage.Theabovecircuitgenerates-165Vat100mAfroma+12Vinput.BasedonaMAX668transformerflybackapplication,thecircuitemploysacustomtransformertogenerate-165Vthroughacombinationofturnsratioand……
  • 所需E币: 3
    时间: 2019-12-24 19:07
    大小: 56.89KB
    上传者: 16245458_qq.com
    摘要:本文介绍如何调节可以产生一个输出电压小于参考电压。电路产生一个1.0V的输出电压。MAX1864三输出电源的特点。Maxim>AppNotes>BatteryManagementPower-SupplyCircuitsKeywords:power-supplycontroller,regulator,linearregulator,1.2VoutputvoltageDec27,2001APPLICATIONNOTE906TheMAX1864Generates1.2VorLowerOutputVoltageAbstract:Articleshowshowaregulatorcangenerateanoutputvoltagethatislessthanthereferencevoltage.Circuitgeneratesa1.0Voutputvoltage.TheMAX1864triple-outputpowersupplyisfeatured.Withmostregulators,itisdifficulttogenerateanoutputvoltagethatislessthanthereferencevoltage.ThisnotedescribesawaytousetheMAX1864toachieveanoutputvoltagelessthanits1.236Vreference.TheMAX1864includesapositivelinearregulatorgainblock.Withafewexternal……
  • 所需E币: 3
    时间: 2019-12-24 19:06
    大小: 59.24KB
    上传者: 二不过三
    独立的电力供应电子行业以来已经存在。电源设计以跟上提高的效率和功率密度要求发生变化时,孤立的反馈是维持安全的关键。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:FeedbackIsolationAugmentsPower-SupplySafetyandPerformanceJan22,2001APPLICATIONNOTE664FeedbackIsolationAugmentsPower-SupplySafetyandPerformanceIsolatedpowersupplieshavebeenaroundsincethebeginningoftheelectronicsindustry.Aspower-supplydesignschangetokeeppacewithincreasedefficiencyandpower-densitydemands,isolatedfeedbackiscrucialtomaintainingsafety.Isolatedpowersuppliesnotonlyprotectusersfrompotentiallylethalvoltagesandcurrents,buttheyalsoprovideperformancebenefits.Isolatedsuppliespreserveinstrumentaccuracybyinterruptinggroundloops,andtheyeasilyprovidepositiveregulatedvoltagesfromanegativepowerbusw……
  • 所需E币: 4
    时间: 2019-12-24 18:41
    大小: 38.5KB
    上传者: wsu_w_hotmail.com
    摘要:本电源序感官的亏损主电源电压,并通过控制两个场效应管,自动负载切换到辅助(备份)供应。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:backupsupply,batteryoperation,diode-OR,MOSFET,power-supplysequencingJul25,2006APPLICATIONNOTE3864TheFET-ORConnectionforPowerSuppliesAbstract:Thispower-supplysequencersensesalossofthemainsupplyvoltageand,bycontrollingthetwoFETs,automaticallyswitchestheloadtothesecondary(backup)supply.TheFigure1circuitprovidesa"diode-OR"functionforapplicationsthatmustswitchautomaticallybetweenthemainandbackupsupplyvoltages.Suchapplicationsincludebattery-backedmemorysuppliesandanybattery-operateddevicewithawall-adapterconnection.Figure1.Thispower-supplysequencersensesalossofthemainsupplyvoltageand,bycontrollingth……
  • 所需E币: 4
    时间: 2019-12-24 18:32
    大小: 61.03KB
    上传者: 16245458_qq.com
    摘要:本应用笔记介绍了三种方法来跟踪电源轨之间的电压。功能的电路,也最简单的方法,采用的MAX6819电源定序执行开环电压跟踪。Maxim>AppNotes>CircuitProtectionKeywords:power-supplysequencers,voltagetrackingAug27,2009APPLICATIONNOTE4413SequencingCircuitProvidesPseudoVoltageTrackerAbstract:Thisapplicationnotepresentsthreeapproachestotrackvoltagesbetweenthesupplyrails.Thefeaturedcircuit,alsothesimplestapproach,featurestheMAX6819power-supplysequencerwhichperformsopen-loopvoltagetracking.ThisdesignideaappearedintheJune1,2006issueofPortableDesignmagazine.Modernmicrocontrollers,DSPs,andASICsrequiremultiplesupplyvoltagesforproperoperation.Withhigherspeedandbetterprocessingcapabilities,thevoltagesandfabricationgeometriesofthesedeviceshavebeenscaleddowntominimizepowerd……
  • 所需E币: 5
    时间: 2019-12-24 18:31
    大小: 55.52KB
    上传者: rdg1993
    摘要:热抽换式的控制器IC落实所需的为功率-供应电压的序列。Maxim/Dallas>AppNotes>CIRCUITPROTECTIONPOWER-SUPPLYCIRCUITSKeywords:hotswap,power-supplysequencer,hotswapcontroller,hotswap,ICsDec09,2003APPLICATIONNOTE2913Hot-SwapControllersImprovePower-SupplySequencingHot-swapcontrollerICsimplementdesiredsequenceforpower-supplyvoltages.Formanysystems,thepower-supplyvoltagesmustbeappliedinadefinitesequencetopreventcircuitdamage.Thattaskwasimplementedwithdiscretecircuitryinthepast,butmodernhot-swap-controllerICsofferanalternativethatsimplifiesthedesignandincreasestheperformanceofpower-supplysequencers.ThecircuitofFigure1providespower-upsequencingforavarietyofhot-swapapplications,andcanbeexpandedtocontrolmanyothersupply-……
  • 所需E币: 5
    时间: 2019-12-24 17:55
    大小: 287.79KB
    上传者: 2iot
    摘要:高度集成的78M6612的电能计量SoC最大限度地减少了外部元件数量和降低印刷电路板(PCB)布局设计的复杂性。本应用笔记讨论了一些设计问题,优化了测量精度和可靠性。78M6612PrintedCircuitBoardLayoutGuidelinesAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_6612_025March2010IntroductionThehighlyintegrated78M6612SOCminimizestheexternalcomponentcountandreducesthecomplexityoftheprintedcircuitboardlayoutdesign.However,somedesignissuesrequireconsiderationforoptimummeasurementaccuracyandreliability.Thisapplicationnotediscus……