电池和外部电源之间切换

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