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ILI4003ASingleChipChargePumpforTFT-LCDPanelPowerPreliminarySpecificationVersion:V091DocumentNo.:ILI4003_IDT_V091_20121224.pdfILITECHNOLOGYCORP.8F,No.38,TaiyuanSt.,JhubeiCity,HsinchuCounty302,Taiwan,R.O.C.Tel.886-3-5600099;Fax.886-3-5600585:091Content1.Introduction............................................................................................................................................32.Features................................................................................................................................................33.PinAssignment......................................................................................................................................34.FunctionalBlockDiagram......................................................................................................................45.PinDescriptions.....................................................................................................................................46.AbsoluteMaximumRatings(TA=25)....................................................................................................57.ElectricalCharacteristics........................................................................................................................68.TypicalApplicationCircuit.......................................................................................................................89.ApplicationInformation...........................................................................................................................810.OutlineDimension................................................................................................................................1211.RevisionHistory...................................................................................................................................14ASingleChipChargePumpforTFT-LCDPanelPowerILI4003TheinformationcontainedhereinistheexclusivepropertyofILITechnologyCorp.andshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofILITechnologyCorp.Page3/14Version:091IntroductionTheILI4003isasinglechipchargepumpsolutiondesignedformobileandtabletTFT-LCDpanelpower.ItintegratespositivevoltagechargepumpandnegativevoltagechargepumpwithSoft-Startandinputcurrentlimitprotection.Thepositivevoltagechargepumpalsohasx1.5/x2/x3pumpmodecanbeselectedbyhostcontrollerwhichmakeTFT-LCDpanelsystemdesignmoreflexible.TheILI4003useacompactTDFNpackage(12-pin,3mm*1.5mm*0.45mm)whichreduceboardsizeandmakeFPCorPCBlayoutdesigneasier.Features2.3Vto4.0VinputsupplyvoltagerangeUpto20mAoutputcurrentcapabilityinx2pumpmodebothpositiveandnegativeoutputvoltageUpto90%powerconversionefficiencyinx2pumpmodeSupportx1.5/x2/x3pumpmodeselectionforpositivevoltagechargepumpNegativevoltagechargepumpfollowx(-1)positiveoutputvoltagePositiveoutputvoltagerange4.5Vto6VNegativeoutputvoltagerange-4.5Vto-6VBuild-inSoft-Starttoreducepoweronin-rushcurrentCyclebycycleinputcurrentlimitprotection2.3Vto4.0Vinputvoltagetoleranceforcontrolsignals12-pin3mm*1.5mm*0.45mmTDFNpackageRoHSCompliantandHalogenFreePinAssignmentTopViewASingleChipChargePumpforTFT-LCDPanelPowerILI4003TheinformationcontainedhereinistheexclusivepropertyofILITechnologyCorp.andshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofILITechnologyCorp.Page4/14Version:091FunctionalBlockDiagramVSPVSNC1PC1NC2PC2NC3PC3N112234567891011GNDCTRL_ACTRL_BVCIBandgapReferenceSoft-StartCurrentLimitControlLogic&PumpModeSelectionPositiveChargePumpNegativeChargePumpPinDefinitionPinNamePINNo.DescriptionVSP1Positiveoutputvoltage.ConnectacapacitortoGND.(2.2uF/10Vtyp.)VSN2Negativeoutputvoltage.ConnectacapacitortoGND.(2.2uF/10Vtyp.)GND3ConnecttoGND.CTRL_A4ControlsignalA,thissignalshouldbelowwhennopumping.CTRL_B5ControlsignalB,thissignalshouldbelowwhennopumping.VCI6Inputsupplyvoltage.ConnectacapacitortoGND.(2.2uF/6.3Vtyp.)C1P7Positiveofthechargetransfercapacitor1.C1N8Negativeofthechargetransfercapacitor1.(1uF/10Vtyp.)C2P9Positiveofthechargetransfercapacitor2.C2N10Negativeofthechargetransfercapacitor2.(1uF/10Vtyp.)C3P11Positiveofthechargetransfercapacitor3.C3N12Negativeofthechargetransfercapacitor3.(1uF/10Vtyp.)ThermalPad13ExposedpadshouldbesolderedtoPCBorFPCboardandconnectedtoGND.ASingleChipChargePumpforTFT-LCDPanelPowerILI4003TheinformationcontainedhereinistheexclusivepropertyofILITechnologyCorp.andshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofILITechnologyCorp.Page5/14Version:091AbsoluteMaximumRatings(Note1)ParameterSymbolValueUnitInputSupplyVoltageVIN-0.3~+6.5VControlSignalsInputVoltageRangeVCTRL-0.3~+6.5VPositiveOutputVoltageVSP+0.3~+6.5VnegativeOutputVoltageVSN-