标签: rectification

为从POE中获取最大可用输出电源，转换器需要一个同步整流器。反激式拓扑提高了最简单的解决方案，可工作于同步方式而只需增加很小的成本。advertisementPoweroverEthernetIsolatedPowerSupplyDelivers11.5Wat90%Efficiency……

本手册提供的使用TEA1751T与TEA1791T的90瓦笔记本适配器器元件清单规格，性能，原理图，材料及印刷电路板布局。UM1039190WattnotebookadapterwithTEA1751TandTEA1791TRev.01―20April2010UsermanualDocumentinformationInfoContentKeywordsGreenChipIII,TEA1751T,GreenChipSR,TEA1791T,PFC,flyback,synchronousrectification,highefficiency,adapter,notebook,PCpowerAbstractThismanualprovidesthespecification,performance,schematics,billofmaterialsandPCBlayoutofa90WnotebookadapterwiththeTEA1751TandTEA1791T.FordesigndetailsontheTEA1751TandTEA1791Tpleaserefertotheapplicationnotes.NXPSemiconductors……

本手册提供的使用TEA1752T与TEA1791T的90瓦笔记本适配器器元件清单规格，性能，原理图，材料及印刷电路板布局。UM1040390WattnotebookadapterwithTEA1752TandTEA1791TRev.01―28May2010UsermanualDocumentinformationInfoContentKeywordsGreenChipIII,TEA1752T,GreenChipSR,TEA1791T,PFC,flyback,synchronousrectification,highefficiency,adapter,notebook,PCpowerAbstractThismanualprovidesthespecification,performance,schematics,billofmaterialsandPCBlayoutofa90WnotebookadapterusingtheTEA1752TandTEA1791T.FordesigndetailsontheTEA1752TandTEA1791Tpleaserefertotheapplicationnotes.NXPSemiconductors……

本手册提供的使用TEA1752T与TEA1791T的120瓦笔记本适配器器元件清单规格，性能，原理图，材料及印刷电路板布局。UM10411120WattnotebookadapterwithTEA1752TandTEA1791TRev.1―19October2010UsermanualDocumentinformationInfoContentKeywordsGreenChip-III,TEA1752T,GreenChip-SR,TEA1791T,PFC,flyback,synchronousrectification,highefficiency,adapter,notebook,PCpowerAbstractThismanualprovidesthespecification,performance,schematics,billofmaterialsandPCBlayoutofa120WnotebookadapterusingtheTEA1752TandTEA1791T.NXPSemiconductorsUM10411……

摘要：紧凑型电源提供电流高达10A使用MAX5052APWM控制器稳压3.3V这里所描述的。此电源供电来源-36V至-72V，采用同步整流实现10A效率大于88％。它使用了一个单晶体管正激变换器的复位绕组，有50％的最大占空比。它具有输入反向电压保护，将规范零负载。隔离电压为1500V，并有过电压和过电流保护。它可以打开和关闭远程开/关针，它具有热关断功能，温度过高保护供应。单位有断续电流限制，以限制输出短路时的RMS电流。Maxim>AppNotes>AUTOMOTIVEKeywords:MAX5052,pwmcontroller,synchronousrectification,forwardconverter,highefficiency,powerSep01,2003supply,powersupplies,forwardconverter,inputreversevoltageprotection,pulsewidthmodulation,controllersAPPLICATIONNOTE2400ACompact36-72VDCInput,3.3V/10AOutputPowerSupplyAbstract:Acompactpowersupplythatprovidesaregulated3.3Vatcurrentsupto10AusingtheMAX5052APWMcontrollerisdescribedhere.Thispowersupplyoperatesfrom-36Vto-72Vandusessynchronousrectificationtoachieveefficienciesgreaterthan88%at10A.Itusesasingletransistorforwardconverterwitharesetwindingandhasamaximumdutycycleof50%.Ithasinputreversevoltageprotection,andwillregulatetozeroload.Theisolati……

同步整流器可以提高开关电源效率，特别是在低电压低功耗的应用程序。这篇文章比较同步整流器肖特基二极管类型，并说明了一些电路的技巧在其应用程序中非常有用。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:SynchronousRectificationAidsLow-VoltagePowerSuppliesJan31,2001APPLICATIONNOTE652SynchronousRectificationAidsLow-VoltagePowerSuppliesSynchronousrectifierscanimproveswitching-power-supplyefficiency,particularlyinlow-voltagelow-powerapplications.ThisarticlecomparessynchronousrectifierstoSchottky-diodetypesandillustratessomecircuittricksusefulintheirapplication.Tobesuccessful,thenextgenerationofportableproducts,suchaspersonalcommunicatorsanddigitalassistants,willhavetoprovideatleast12hoursofoperationbetweenbatterycharges.Mostoftheprogresstowardthis12-hourgoalmustcomefromRF,computer,andbattery……