标签: disconnect

摘要：本应用笔记介绍了外部功率MOSFET作为负载断开开关行为，并允许重物和低输入电压开关稳压器启动。负载断开电路提高一个单一的镍氢电池的输出为3.3V，并提供600mA的输出电流。的MAX1703升压型DC-DC转换器的设计特色。Maxim>AppNotes>BatteryManagementPower-SupplyCircuitsKeywords:loaddisconnect,step-upregulator,boostconverter,NniMHoutput,regulatorfeedbackstep-upDC-DCconverterJun19,2000APPLICATIONNOTE657SimpleCircuitDisconnectsLoadAbstract:ThisapplicationnoteshowshowanexternalpowerMOSFETactsasaload-disconnectswitchandallowsaswitchingregulatortostartupwithheavyloadsandlow-inputvoltages.Theload-disconnectcircuitboostsasingleNiMHcelloutputto3.3Vanddeliversoutputcurrentsto600mA.TheMAX1703step-upDC-DCconverterisfeaturedinthedesign.Placingaload-disconnectcircuitontheoutputofabootstrappedstep-upregulatorallowstheregulatortostartwithloadcurrentsmuchhigherthanwouldotherwisebeposs……

摘要：以下应用笔记演示了一个简单的使用电荷泵和一个微处理器监控电路断开负载低的电源电压。该电路采用P沟道MOSFET断开负载从一个1.5V电源。Maxim/Dallas>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:lowvoltage,batterydisconnect,loaddisconnect,dc-dcconverter,overvoltage,dctodcconverters,Jul21,2003overvoltage,voltagemonitor,microprocessorsupervisorAPPLICATIONNOTE2237SimpleCircuitDisconnectsLoadfromLow-VoltageSupplyThefollowingapplicationnotedemonstratesasimplecircuitusingachargepumpandamicroprocessorsupervisortodisconnectalowvoltagesupplyfromaload.ThecircuitusesaP-channelMOSFETtodisconnecttheloadfroma1.5Vsupply.Powersuppliesoftenincludeacircuitthatdisconnectstheloadwhenthesupplyvoltagedropstoolow(whenabatteryisnearlydischarged,forexample).Ap-channelMOSFETconnectedbetweensupplyandloadisthety……