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
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