TPS65131正负输出DCDC芯片

 TPS65131-Q1–MAY2012–REVISEDNOVEMBER2012正正和和负负输输出出直直流流(DC)-DC转转换换器器查查询询样样品品:TPS65131-Q11特特性性•针针对对加加电电和和断断电电排排序序的的独独立立使使能能输输入入•针针对对外外部部薄薄膜膜场场效效应应晶晶体体管管(PFET)的的控控制制输输出出以以2•符符合合汽汽车车应应用用要要求求支支持持电电池池完完全全断断电电•具具有有符符合合AEC-Q100的的下下列列结结果果：：•输输入入电电压压范范围围2.7V至至5.5V–器器件件温温度度2级级封封装装•最最小小1.25MHz定定频频脉脉宽宽调调制制(PWM)运运行行–-40°C至至105°C环环境境运运行行温温度度范范围围•热热关关断断–器器件件人人体体模模型型(HBM)静静电电放放电电(ESD)分分类类等等级级•在在两两个个输输出出上上的的过过压压保保护护H2•1µA关关断断电电流流–器器件件充充电电器器件件模模型型(CDM)ESD分分类类等等级级C3B•小小型型4mmx4mm四四方方扁扁平平无无引引线线(QFN)-24封封装装•高高达达15V和和低低至至-15V的的双双向向可可调调输输出出电电压压(RGE)•针针对对TPS65131-Q1升升压压和和逆逆变变器器主主开开关关的的2A典典应应用用范范围围型型开开关关电电流流限限值值•小小尺尺寸寸至至中中等等尺尺寸寸有有机机发发光光二二级级管管(OLED)显显示示•正正输输出出电电压压轨轨上上高高达达89%的的效效率率•(TFT)LCD，，CCD偏偏置置电电源源和和车车辆辆应应用用•负负输输出出电电压压轨轨上上高高达达81%的的效效率率•低低负负载载电电流流上上针针对对高高效效率率的的省省电电模模式式说说明明TPS65131-Q1是一款双路输出DC-DC转换器，根据输入与输出电压比，此转换器在典型应用中在200mA的输出电流范围内生成高达15V的正输出电压和低至-15V的负输出电压。由于总体效率高达85%，此器件非常适合于便携式电池供电类设备。介于2.7V至5.5V之间的输入电压范围使得TPS65131-Q1可直接由一个锂离子电池供电，或由3节镍锰电池/镍镉电池或碱性电池供电。TPS65131-Q1采用4mmx4mmQFN-24封装。由于其最小开关频率为1.25MHz且只需极少的小型外部组件，TPS65131-Q1使小型电源应用的设计成为可能。此转换器采用定频PWM控制拓扑运行，而且，如果省电模式被启用，那么它在轻负载电流的情况下使用脉冲跳跃模式。它运行的电流仅为500µA器件静态电流。独立使能引脚可实现两个输出上的加电和断电排序。为了实现故障情况下的高可靠性，此器件有一个内部电流限制过压保护和热关断。1Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.2PowerPADisatrademarkofTexasInstruments.PRODUCTIONDATAinformationiscurrentasofpublicationdate.Copyright©2012,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.ProductionprocessingdoesnotEnglishDataSheet:SLVSBB2necessarilyincludetestingofallparameters.TPS65131-Q1ZHCSAI3A–MAY2012–REVISEDNOVEMBER2012(1)CONVERTERCONVERTER–40°Cto105°C1950mA1950mATPS65131TRGERQ12U65131/Q1(1)TheRGEpackageisavailabletapedandreeled.AddanRsuffixtothedevicetype(ineffect,TPS65131RGERQ1)toorderquantitiesof3000devicesperreel.Itisalsoavailableinminireels.AddaTsuffixtothedevicetype(ineffect,TPS65131TRGERQ1)toorderquantitiesof250devicesperreel.ABSOLUTEMAXIMUMRATINGSoveroperatingfree-airtemperaturerangeunlessotherwisenoted(1)VALUEUNITMINMAXVIN,INNInputvoltagerangeatpins(2)–0.36VVPOSMaximumvoltageatpin(2)17VVNEGMinimumvoltageatpin(2)–17VVoltageatpinsENN,ENP,FBP,FBN,CN,CP,PSP,PSN,BSW(2)–0.3VIN+0.3VINPInputvoltageatpin(2)17VDifferentialvoltagebetweenpinsOUTNtoVINN(2)24VTAOperatingambienttemperature–40105°CTstgStoragetemperaturerange–65150°CElectrostaticHuman-bodymodel(HBM)AEC-Q100ClassificationLevelH22kVDischargeCharged-devicemodel(CDM)AEC-Q100ClassificationLevelC3B750V(ESD)Rating(1)StressesbeyondthoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderRecommendedOperatingConditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.(2)Allvoltagevaluesarewithrespecttothenetworkgroundterminal,unlessotherwisenoted.THERMALINFORMATIONTPS65131-Q1THERMALMETRIC(1)UNITRGE(24PINS)θJAJunction-to-ambientthermalresistance34.1°C/WθJCtopJunction-to-case(top)thermalresistance36.8°C/WθJBJunction-to-boardthermalresistance12.2°C/WψJTJunction-to-topcharacterizationparameter0.4°C/WψJBJunction-to-boardcharacterizationparameter12.3°C/WθJCbotJunction-to-case(bottom)thermalresistance2.8°C/W(1)有关传统和新的热度量的更多信息，请参阅IC封装热度量应用报告，SPRA953。2Copyright©2012,TexasInstrumentsIncorporatedTPS65131-Q1–MAY2012–REVISEDNOVEMBER2012RECOMMENDEDOPERATINGCONDITIONSMINNOMMAXUNITVIInputvoltagerange2.75.5VTAOperatingfree-airtemperaturerange–40105°CTJOperatingvirtualjunctiontemperaturerange–40125°CELECTRICALCHARACTERISTICSOverrecommendedfree-airtemperaturerangeandoverrecommendedinputvoltagerange;typicalvaluesatanambienttemperatureof25°C(unlessotherwisenoted)PARAMETERTESTCONDITIONSMINTYPMAXUNITDC-DCSTAGE(VPOS,VNEG)VPOSAdjustableoutputvoltagerangeVIN+0.5V15VVNEGAdjustableoutputvoltagerange–15–2VVREFReferencevoltageIREF=10µA1.21.2131.225VIFBPPositivefeedbackinputbiascurrentVFBP=VREF50nAIFBNNegativefeedbackinputbiascurrentVFBN=0.1VREF50nAVFBPPositivefeedbackregulationvoltageVIN=2.7Vto5.5V1.1891.2131.237VVFBNNegativefeedbackregulationvoltageVIN=2.7Vto5.5V–0.02400.024VTotaloutputDCaccuracy3%VIN=3.6V440620rDS(on)NInverterswitchon-resistancemΩVIN=5V330530TPS65131-Q1inverterswitchcurrentILIMVIN=3.6V180019502200mAlimitVPOS=5V230300rDS(on)PBoostswitchon-resistanceVPOS=5V(105°C)290320mΩVPOS=10