一级代理MP3213是一个700kHz/1.3MHz，3.5A的升压DC-DC，其采用MSOP-8的引脚封装，MP3213的详细描述：型号：MP3213DH-LF-Z厂家：MPS（美国芯源）封装：MSOP-8批号：11+应用：LCD、P-DVD、数码相机、DVB-T/S、PDA。其具体规格如下：Description:TheMP3213isacurrentmodestepupconverterwitha3.5A,0.18Ωinternalswitchtoprovideahighlyefficientregulatorwithfastresp***e.TheMP3213operatesat700kHzor1.3MHzallowingforeasyfilteringandlownoise.Anexternalcompensationpingivestheuserflexibilityinsettingloopdynamics,whichallowstheuseof***all,lowESRceramicoutputcapacitors.Soft-startresultsin***allinrushcurrentandcanbeprogrammedwithanexternalcapacitor.TheMP3213operatesfromaninputvoltageaslowas2.5Vandcangenerate12Vatupto500mAfroma5Vsupply.TheMP3213includesunder-voltagelockout,currentlimitingandthermaloverloadprotectiontopreventdamageintheeventofanoutputoverload.TheMP3213is***ailableinalowprofile8-pinMSOPpackagewithexposedpad.Features:•3.5A,0.18Ω,25VPowerMOSFET•UsesTinyCapacitorsandInductors•PinSelectable700kHzor1.3MHzFixedSwitchingFrequency•ProgrammableSoft-Start•OperateswithInputVoltageasLowas2.5VandOutputVoltageasHighas22V•12Vat500mAfrom5VInput•UVLO,ThermalShutdown•InternalCurrentLimit•***ailableinan8-PinMSOPPackagewithExposedPadAPPLICATI***:•LCDDisplays•PortableApplicati***•HandheldComputersandPDAs•DigitalStillandVideoCameras)