AP1511A_B英文版Datasheet

AP1511A/BIRFilterSwitchDriverPreliminary1AP1511A/BIRFilterSwitchDriverwithone-shotoutputforIR-CutRemovable(ICR)HSIN-BAOCORPORATION.2F-1,No.118,Lane235,BaociaoRd.,SindianDistrict,NewTaipeiCity23145,Taiwan(R.O.C)Taiwan,R.O.C.Tel:[phone]Fax:[phone]Version:1.3Jun.15,2013Thisarticleissubjecttochangewithoutnotice.Agent:AP1511A/BIRFilterSwitchDriverPreliminary2FEATURESz1.8VinputdrivingpulsezLowsaturationvoltage(0.73V@300mA,VDD=5V)zLowstandbycurrent(10uA)z2.5Vto5.5Voperatingvoltagerangez6-leadSOT-26packagezOnlyonecontrolinputandBuilt-innon-overlapcircuittoavoidtheMOSFETdamagecausedbythefastoutputvoltagetransientAPPLICATIONSzIRfilterswitchdriverforIR-CutRemovable(ICR)ofIPCAM.DESCRIPTIONAP1511isanIRfilterswitchdriverICdesignedforswitchingIRfilterinIR-CutRemovable(ICR)ofIPCAM.Withappropriateinputcontrols,AP1511functionsasaone-channel,lowsaturation,bi-directionalH-bridgedriver.Built-inprotectiondiodecircuitcanminimizethedisturbancecausedbythefeedbackcurrentwhentheICRisshutdown,orwhenESDimpulseoccurs.ThetypicalimpedanceofthecurrentswitchesinAP1511showninFig.1islessthan3ohms.ThecurrentdriventhroughtheactuatoristhendeterminedbytheimpedanceoftheICR.Forexample,with5.0Vpowersupply,thecurrentthroughtheactuatorisaround300mAwith0.73Voutputvoltagedrop.TwotypesofAP1511(Ver.A&Ver.B)areofferedtosupportsingle-wirecontrol,dual-wirecontrolandsingle-wireone-shotcontrolmodesasshowninFig.1andFig.2.PINCONFIGURATIONPin#MnemonicI/ODescription1ENBILow-activeenableCEIExternalcapacitor2GND-Ground3FBCIForward/Backwardcontrol4OUT1ODriveroutput15VDD-Powersupply6OUT2ODriveroutput2ORDERINGINFORMATIONMODELPACKAGEAP1511ASOT-26AP1511BSOT-26AP1511A/BIRFilterSwitchDriverPreliminary3AbsoluteMaximumRatings(unlessotherwisespecified,Temperature=25℃)CharacteristicSymbolRatingUnitSupplyVoltageVDD5.5VInputVoltageVINVDD+0.4VVOutputCurrent(Continue)500mA(Pulse,50%duty)IOUT600mAOperatingTemperatureRangeTOPR-40~125℃StorageTemperatureRangeTSTO-65~150℃ElectricalCharacteristics(unlessotherwisespecified,Temperature=25℃&VDD=5.0V)LimitCharacteristicSym.ConditionMin.Typ.Max.UnitSupplyVoltageVDD-2.55.05.5VISTB(A)SteadystateorstandbystateversionA--20μAISTB(B)SteadystateorstandbystateversionB--10μASupplyCurrentIDDTransitstate0.811.2mADriverinputcontrolENB/FBCInputHigh“H”VIH-1.6-VDD+0.4VInputHigh“L”VIL--0.4-0.2*VDDVDriveroutputOUT1/OUT2VOUT1IOUT=200mA-0.42-VVOUT2IOUT=300mA-0.73-VOutputVoltage(upper+lower)VOUT3IOUT=400mA-1.03-VRisetransitiontimeTRFrom0.1*VDDto0.9*VDD-2.55nsFalltransitiontimeTFFrom0.9*VDDto0.1*VDD-3.57nsAP1511A/BIRFilterSwitchDriverPreliminary4CharacteristicSym.ConditionLimitUnitPropagationDelayTimeENBÆOUT1/2(“L”to“H”)tpLH-1316nsENBÆOUT1/2(“H”to“L”)tpHL-3643nsPulseWidthofENBtPW100--nsMaximumfrequencyofENBfMAXVDD=5V,Load=18　--5MHzPropagationdelaytimebetweenENBandOUT1/2PWMwaveformforENBAP1511A/BIRFilterSwitchDriverPreliminary5TypicalApplication(AP1511A)TruthTableandDiagramofControlsAP1511A/BIRFilterSwitchDriverPreliminary6TypicalApplication(AP1511B)TruthTableandDiagramofControlsTheperiodofTOne-ShotisdeterminedbytheexternalcapacitorconnectedonCEpin.Itcanbeestimatedfromtheequation.Tone-Shot=1.3x106xCCE(second)Thetimeofone-shotwoulddecrease0.2%/℃bytemperatureincreasewiththeconstantcapacitanceofCCE.Infact,thecapacitanceofarealcapacitorisaffectedbytemperaturechangeandhasitsmaximumvalueat25℃.Itissuggestedtosetthetimeofone-shotmorethantwicetimethattheICR-moduleneeds.AP1511A/BIRFilterSwitchDriverPreliminary7TheapplicationcircuitofAP1511A/Bisshownabove.Thephoto-resistorCdSisbiasedbyaresisterR6andconnectedtoadelaycircuitR5&C2.ThevoltageVinindicatestheambientilluminationandtheschmitttriggercircuit(Q1,Q2andR1~R4)willdecidedayornighttocontrolthedirectionoftheFBCpinofAP1511A/B.ThustheIRlenspositionoftheIR-cutmoduleisaccordingtotheambientillumination.Thedelaycircuitistoensuretheambientilluminationisstablewithanytransientchangeintheillumination.Thetypicaldelaytimeisabout3secondswithR5=200kΩandC2=22µF.Itmeansthatanychangeoftheambientilluminationshouldkeepatleast3secondsthentheAP1511willbeactivated,orthischangewillbeignored.TheretwothresholdvoltageVIHandVILfortheschmitttriggertogetagreatnoisetoleranceandavoidthedisturbanceoftheambientinfluence.IfthevoltageVinislessthanVIL,theschmitttriggerwilldrivetheFBCpinlow.IfthevoltageVinisgreatthanVIH,theschmitttriggerwilldrivetheFBCpinhigh.TheschmitttriggerisinactivatedwiththevoltageVinisintherangefromVILtoVIH.ThispropertyofthecircuitcancreateagreatnoisemargintoeliminatethevibrationoftheIR-CUTmodule.ThethresholdvoltagesaredeterminedbytheresistorsR1~R4.Theresistancesoftheseresistorscanbecalculatedbyusingtheapplicationprogram“SchmittTriggerCalculator”fromAnapexInc.AP1511A/BIRFilterSwitchDriverPreliminary8+-VCC+-VCCR1R2R3R4RbSensorC1C2VcomFBCAP1511VoOP1OP2VcmpVcomRRRVccRRRHVcmp211212_+++=(Vo=Vcc)VcomRRRVcomRRRRRRLVcmp2112110212_+=++⋅+=(Vo=GND)VoVcmpVcmp_LVcmp_HVoVcmpVthVmVmVccVccGNDGND()VcomRRRVccRRRLVcmpHVcmpVth211)21(222/__+++=+=()VccRRRLVcmpHVcmpVm)21(222/__+=−=ThenewthresholdvoltageVthandthenoisemarginVmareshownabove.The