标签: low-dropout

MOSFETPassElementYields100mV-DropoutRegulator……

摘要：利用自己的输出，引导高输入电压范围（高达76V）低压差电压调节器（MAX6771），这个电路扩展的CMOS运算放大器（MAX4162）的输入范围，同时保持其高输入阻抗和极低的输入偏置电流（1pA的）。Maxim>AppNotes>AmplifierandComparatorCircuitsPower-SupplyCircuitsKeywords:opamps,low-dropoutvoltageregulators,LDOregulators,CMOSopamps,voltagefollowersJan12,2011APPLICATIONNOTE4566ExtendingtheInputVoltageRangeofStandardOpAmpsAbstract:Usingitsownoutputtobootstrapalow-dropoutvoltageregulator(MAX6771)withhighinput-voltagerange(upto76V),thiscircuitextendstheinputrangeofaCMOSopamp(MAX4162)whilepreservingitshighinputimpedanceandverylowinputbiascurrent(AsimilarversionofthisarticleappearedintheApril15,2007issueofEETimesmagazine.Mostmodernoperationalamplifiersoperateovera5V(or±2.5V)orlowervoltagerange.Forapplicationsrequiringalargervoltageswing,such……

单晶体管46dB通过减少LDO噪音Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSPOWER-SUPPLYCIRCUITSKeywords:Low-dropoutregulator,LDO,RCfilterNov23,2005APPLICATIONNOTE3656SingleTransistorReducesLDONoiseby46dBAbstract:AsimpleRCfilterwithanexternaltransistordriverrejectsLDOnoise.Aplotofnoisedensityvs.frequencyshowsthatthefilterrejectsLDOnoisebymorethan46dB,andachievesanoisefloorof7nV/.Ofthemanylow-dropout(LDO)regulatorsprovidingvoltageregulationforelectronicsystems,somearespecificallydesignedforlownoise.ThevoltageregulatorinFigure1,forexample,achievesanRMSnoisevoltageofabout115V.Someultra-low-noiseapplicationssuchasinstrumentationandhigh-qualit……

此超低低噪声LDO结合低噪声组件6nV/折合1khz输出噪声性能达到过滤。Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP3657Maxim>Designsupport>Appnotes>Power-SupplyCircuits>APP3657Keywords:low-dropoutregulator,LDO,RCfilter,voltagereference,lownoiseDec22,2005APPLICATIONNOTE3657Ultra-Low-NoiseLDOAchieves6nV/√HzNoisePerformanceAbstract:Thisultra-low-noiseLDOcombineslow-noisecomponentswithfilteringtoachieveanoutputnoiseperformanceof6nV/√Hzat1kHz.ThisdesignideaappearedintheJune23,2005issueofEDN.Ofthemanylow-dropout(LDO)regulatorsusedtoregulatevoltageinelectronicsystems,somearespecificallydesignedforlow-noiseoperation.TheMAX8887……

摘要：本应用笔记介绍了用于便携式应用的电源管理方案四和电池系统。升降压转换器，线性稳压器，电压转换器，电荷泵和电感器稳压器的优化设计和用途。几个Maxim的电源管理设备特色。Maxim>Designsupport>Appnotes>BatteryManagement>APP671Maxim>Designsupport>Appnotes>Power-SupplyCircuits>APP671Keywords:powerforportableapplications,powerregulator,SEPIC,step-upDC-DCcontroller,step-upregulator,step-downswitchingregulator,low-voltagelogic,low-dropoutDC-DCcontroller,linearregulator,charge-pumpconverter,dropoutvoltage,voltageconverter,GaAsFET,RFpoweramplifier,GSM,TDMFApr07,2011APPLICATIONNOTE671EnergyManagementforSmallPortableSystemsAbstract:Thisapplicationnotedescribespower-managementschemesforportableapplicationswithfour-andthree-cellbatterysystems.Optimaldesignsan……

频率补偿的一篇好文,Anovelfrequencycompensationtechniqueforlow-voltagelow-dropoutregulator……