标签: track

LTC2927通过优异的性能简化了电源供电的跟踪与排序，只需极少的电阻用以配置成简单或复杂的供电方式。寄生电压和功耗的降低使M串联的MOSFET不再需要。advertisementTrackingandSequencingMadeSimplewithTinyPoint-of-LoadCircuit……

LTC3507在一个QFN封装中集成了三路降压式整流器和LDO驱动器，为多电压轨系统提高了一种紧凑的解决方案。每个转换器的独立输入提供了宽输入范围，同时独立的PG指示信号和TRK/SS引脚拓展了跟踪和排序的灵活性。CompactTripleStep-DownRegulatorOffersLDODriverandOutputTrackingandSequencing……

CalculatingPCBTrackImpedanceFormulasCalculationofPCBTrackImpedancebyAndrewJBurkhardt,ChristopherSGreggandJAlanStaniforthTheuseofhigh-speedcircuitsrequiresPCBtrackstobedesignedwithcontrolled(characteristic,odd-mode,ordifferential)impedances.Wadell[1]isoneofthemostcomprehensivesourcesofequationsforevaluatingtheseimpedances.Thissourceincludesmanyconfigurationsincludingstripline,surfacemicrostripandtheircoplanarvariants.TheIPCpublication,IPC-2141[2],isanothersourceofequations,buthasasmallerrangeofconfigurations,similartothosepresentedinIPC-D-317A.However,forsomeconfigurationstherearedifferencesbetweentheequationsgiveninthesepublications.TheauthorsbelievethatitisnowopportunetoexaminetheoriginoftheequationsandtoFigu……