RY6212 350mA 高电源抑制比、低噪声、低功耗低压差稳压器 SOT23-5 SOT23-3 DFN4-1X1 深圳恒锐丰科技.pdf

RY6212Series

350mAHighPSRR,LowNoise,LowPowerLDO

Features

•InputVoltageRange:2Vto5.5V•HighPSRR:70dB@1KHz(Typ.)

•OutputVoltageRange:1.1Vto4.5V•OverCurrentProtection

•OutputVoltageTolerance:±1%•ShortCircuitProtection

•LowShutdownCurrent:0.1μA(Typ.)•–40°Cto125°COperatingJunctionTemperature

•LowQuiescentCurrent:50μA(Typ.)•SOT23-5/SOT23-3/DFN4-1×1Package

•LowDropout:100mV@100mA

Applications

•CellularHandsets•Hand‐HeldInstruments

•Battery‐PoweredEquipment•PortableInformationApplication

•Wi-FiRouter•Generalpowersupply

GeneralDescription

TheRY6212seriesarehighlyaccurate,lownoise,CMOSLDOVoltageRegulators.Offeringlowoutputnoise,high

ripplerejectionratio,lowdropoutandveryfastturn-ontimes.TheRY6212’scurrentlimitersfeedbackcircuitalso

operatesasashortprotectfortheoutputcurrentlimiterandtheoutputpin.Theoutputvoltageissetbycurrent

trimming.Voltagesareselectablein50mVstepswithinarangeof1.1Vto4.5V.

TheRY6212seriesisalsofullycompatiblewithlowESRceramiccapacitors,reducingcostandimprovingoutput

stability.Thishighlevelofoutputstabilityismaintainedevenduringfrequentloadfluctuations,duetotheexcellent

transientresponseperformanceandhighPSRRachievedacrossabroadrangeoffrequencies.TheENfunction

allowstheoutputofregulatortobeturnedoff,resultingingreatlyreducedpowerconsumption.TheRY6212series

areavailableinSOT23-3,SOT23-5,DFN4-1×1package.

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