标签: regulated

RegulatedStep-UpConverterProvidesHighEfficiencyWithoutInductors……

考和超低静态电流比较低电阻模拟开关生产7uA的静态电流（IQ）的分立元件的稳压电荷泵提供10毫安。Maxim>AppNotes>AmplifierandcomparatorcircuitsPower-supplycircuitsKeywords:chargepumps,regulatedchargepumps,quiescentcurrent,portabledevices,comparatorsSep24,2004APPLICATIONNOTE3330BuildaChargePumpwithUltra-LowQuiescentCurrent(Iq)Abstract:Combininglow-on-resistanceanalogswitcheswithareferenceandultra-lowquiescentcurrentcomparatorproducesadiscrete-componentregulatedchargepumpthatdelivers10mA,withonly7uAofquiescentcurrent(Iq).Portable,battery-powereddevicesoftenspendmostoftheirlifeinstandbymode,wherethequiescentcurrentofaninternalboostconverterbleedsthebatterycontinuously.Thequiescentcurrentduringstandbycanbelargerthantheactualloadcurrent.Thoughseveralinductor-ba……

摘要：电荷泵往往供电低功耗和低成本的应用程序需要的最佳选择。本应用笔记讨论了集成的电荷泵，并解释如何计算功耗电荷泵。Maxim>DesignSupport>AppNotes>Automotive>APP725Maxim>DesignSupport>AppNotes>Power-SupplyCircuits>APP725Keywords:powersupply,voltageconverter,dc-dcconverters,chargepumps,switchedcapacitorregulator,regulatedchargepump,unregulatedchargepump,voltagedivider,voltagedoubler,regulatedinverter,buck-boost,regulator,chargepumppowerdissipationJul22,2009APPLICATIONNOTE725DC-DCConversionWithoutInductorsAbstract:Chargepumpsareoftenthebestchoiceforpoweringanapplicationthatrequiresbothlowpowerandlowcost.Thisapplicationnotediscussesintegratedchargepumpsandexplainshowtocalculatepowerdissip……

图1的替代品在地方的外部电感器和二极管通常与开关稳压器IC1的电压三倍器的DC-DC转换电路。反相和同相驱动器中的MOSFET驱动芯片（IC2）的激活一个二极管/电容网络（D1-D3的C1-C3）的三倍。基于单极性司机电荷泵相比，IC2的缓冲/逆变器的结合，使该电路提供更符合当前更少的部件。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:RegulatedChargePumpDelivers50mAJul09,1998APPLICATIONNOTE35RegulatedChargePumpDelivers50mATheDC-DCconvertercircuitofFigure1substitutesavoltagetriplerinplaceoftheexternalinductoranddiodenormallyassociatedwithswitchingregulatorIC1.InvertingandnoninvertingdriversintheMOSFET-driverchip(IC2)activateadiode/capacitortriplingnetwork(D1-D3,C1-C3).Incomparisonwithchargepumpsbasedonsingle-polaritydrivers,thebuffer/invertercombinationofIC2enablesthiscircuittodelivermorecurrentwithfewerparts.Thediode-capacitortriplernetworkinthisstep-upswitchingregulatordevelops10Vf……

摘要：这样的设计理念，展示了如何规范的LCD偏压发生器无需电感。基于MAX868稳压，反相电荷泵电荷泵的设计取代了开关模式设计，以产生一个负电压偏置的LCD。负，反相电荷泵的反馈路径中几个组件生产逆变器四倍频电路。Maxim>AppNotes>DisplayDriversKeywords:switch-modepowersupply,chargepump,regulatedchargepump,invertingchargepump,regulatednegativevoltage,inverterDec17,2001quadrupler,personaldigitalassistant,PDAAPPLICATIONNOTE239RegulatedLCD-BiasGeneratorRequiresNoInductorAbstract:ThisdesignideashowshowaregulatedLCDbiasgeneratorrequiresnoinductor.Acharge-pumpdesignbasedontheMAX868regulated,invertingchargepumpreplacesaswitch-modedesigntogenerateanegativevoltageforbiasinganLCD.Afewcomponentsinthefeedbackpathofanegative,invertingchargepumpproduceaninverter-quadruplercircuit.AsimilarideaappearedintheMarch9,1998issueofElectronicDesign.Astringentheightlimitationon……

AmonolithicHEMTregulatedself-biasedLNAVII-3AMonolithicHEMTRegulatedSelf-biasedLNAK.W.Kobayashi,R.Esfandiari,B.Nelson,K.Minot,W.Jones,M.Biendenbender,R.Lai,K.L.Tan,andJ.B.BerenzTRWElectronicandTechnologyDivisionOneSpaceParkRedondoBeach,CA90278ABSTRACTThisworkbenchmarksthefirstdemonstrationofamonolithicHEMTLNAdesignwhichincorporatesactiveregulatedself-bias.TheHEMTLNAbiascurrentcanbemaintainedtowithinf3%variationoveraprocessthresholdvariation(Vgs)off0.5Volt.Thebiascircuitryregulatesthebiascurrenttowithin1.5%overa100°Ctemperaturerange.Theamplifierhasanominalgainof10dBandanoisefigureof2.5dBovera1-10GHzbandwidth.Acrossseveralwaferswithathresholdvoltagespreadof0.5Volts,theactivebiasregulatedLNAmaintains……