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ID:10645322
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页数:13页
时间:2018-07-07
《射频开关芯片电路设计 usb限流芯片pl,usb限流开关电路》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、射频开关芯片电路设计USB限流芯片PL2700,USB限流开关电路导读:就爱阅读网友为您分享以下“USB限流芯片PL2700,USB限流开关电路”资讯,希望对您有所帮助,感谢您对92to.com的支持!PL2700USB限流芯片深圳市百盛新纪元半导体有限公司郑R,18948314942PULANTECHNOLOGYCO.,LIMITEDPL2700GENERALDESCRIPTIONThePL2700isacost-effective,lowvoltage,singleP-MOSFETloadswitch,optimizedforself-powere
2、dandbus-poweredUniversalSerialBus(USB)applications.Thisswitchoperateswithinputsrangingfrom2.4Vto5.5V,makingitidealforboth3Vand5VsTheswitch’slowRDS(ON),80mΩ,meetsUSBvoltagedroprequirements.ThePL2700isalsoprotectedfromthermaloverloadwhichlimitspowerdissipationandjunctiontemperatur
3、es.Currentlimit13thresholdisprogrammedwitharesistorfromSETtoground.Thequiescentsupplycurrentistypically15μAatswitchonstate.Atswitchoffstatethesupplycurrentdecreasestolessthan1μA.ThePL2700is5package.80mΩ,AdjustableFastResponseCurrent-LimitedPower-DistributionSwitchFEATURESlllComp
4、lianttoUSBSpecificationsIntegrated80mΩPowerMOSFETLowSupplyCurrent15μATypicalatSwitchOnState1μATypicalatSwitchOffStateWideInputVoltageRange:2.4Vto5.5VFastTransientResponse:2μsReverseCurrentFlowBlockingThermalShutdownProtectionHotPlug-InApplication(Soft-Start)Availableina5-PinSOT2
5、3-5PackagellllllAPPLICATIONSlllllUSBBus/SelfPoweredHubsUSBPeripheralsNotebookComputersBattery-ChargerCircuitsPersonalCommunicationDevicesTYPICALAPPLICATION2CurrentLimit(A)CurrentLimitVINVINVOUTPL2700VOUT1.510.5024681012CIN10μFSETRSETGNDENCOUT10μFFigure1.BasicApplication13Circuit
6、RSET(kΩ)1MS1100PULANTECHNOLOGYCO.,LIMITEDPCBLayoutRecommendationsWhenlayingouttheprintedcircuitboard,thefollowingcheckingshouldbeusedtoensureproperoperationofthePL2700.Checkthefollowinginyourlayout:ØDoesthe(+)platesofCINconnecttoVINascloselyaspossible.ThiscapacitorprovidestheACc
7、urrenttotheinternalpowerMOSFETs.ØKeepthe(-)platesofCINandCOUTascloseaspossiblePL2700VOUTCOUTPIN1CINPL2700VINRSETFigure3.PL2700SuggestedLayoutPACKAGE/ORDERINFORMATIONTOPVIEWPL2700VOUTGNDSET1235VIN4EN5-LEADPLASTICSOT-23TJMAX=150°C,θJA=250°C/W,θJC=130°C/WSOT23-5PINDESCRIPTIONPinNam
8、eVOUTGNDSETENVINPinNumber12345DescriptionPower-
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