标签: switchover

摘要：本应用笔记讨论了电路的切换，而无需切换噪声的MAX6326电源效率。它讨论了一个简单的二极管条例方法使用这种技术的优点。Maxim>Designsupport>Appnotes>Automotive>APP1136Maxim>Designsupport>Appnotes>MicroprocessorSupervisorCircuits>APP1136Keywords:batterybackup,powerswitching,externalpowersources,batteryswitchover,switchoverJun27,2002APPLICATIONNOTE1136SwitchingBetweenBatteryandExternalPowerSourcesAbstract:ThefollowingapplicationnotediscussesacircuitthatswitchespowersourcesefficientlywithoutswitchingnoiseusingtheMAX6326.Itdiscussestheadvantagesofusingthistechniqueoverasimplediode-ordmethod.AsimilarversionofthisarticleappearedintheMay13,2002issueofElectronicDesignmagazine.Portableequipmentth……

【应用笔记】在Stratix和StratixGX器件中实现时钟切换(ImplementingClockSwitchoverinStratix&StratixGXDevices)时钟切换功能允许PLL在两个参考输入时钟之间进行切换。TheclockswitchoverfeatureallowsthePLLtoswitchbetweentworeferenceinputclocks.Designerscanusethisfeatureforclockredundancyorforadualclockdomainapplicationsuchasinasystemwherethesystemcanturnontheredundantclockiftheprimaryclockstopsrunning.Theclockswitchovercircuitrycanperformclockswitchoverautomatically,whentheclockisnolongertoggling,orbasedonausercontrolsignal.ImplementingClockSwitchoverinStratix&StratixGXDevicesJanuary2004,1.0ApplicationNoteIntroductionTheclockswitchoverfeatureallowsthePLLtoswitchbetweentworeferenceinputclocks.Designerscanusethisfeatureforclockredundancyorforadualclockdomainapplicationsuchasinasystemwherethesystemcanturnontheredundantclockiftheprimaryclockstopsrunning.Theclockswitchovercircuitrycanperformclockswitchoverautomatically,whenthe……

摘要：便携式系统通常需要从电池或从墙式转接器的操作。MAX8865低压差（LDO）稳压器线性稳压器用于提供切换功能，同时提供稳压2.84V可以提供百毫安的。Maxim>AppNotes>BATTERYMANAGEMENTMICROPROCESSORSUPERVISORCIRCUITSKeywords:batteryswitchover,lowdropout,ldo,linearregulator,batterymanagementJul09,1998APPLICATIONNOTE1000Battery-SwitchoverCircuitAccommodates3VSystemsAbstract:Portablesystemsoftenrequireoperationfrombatteriesorfromawalladapter.TheMAX8865low-dropout(LDO)linearregulatorisusedtoprovidetheswitchoverfunctionwhilesupplyingaregulator2.84Vthatcandeliver100mA.Portablesystemsoftenoffertheflexibilitytooperateeitherfromaninternalbatteryorfromanac-to-dcwalladapter.Manysuchsystemsincludecircuitrythatswitchesautomaticallybetweentheinternalbatteryandanexternalsourceastheuserconnectsanddisconnectsthewallad……