LDO稳压器 BL9198_V2.0_en.pdf
14页1、PPMICBUBL9198Rev2.08/20141BL9198300mAUltra-lowNoise,Ultra-FastCMOSLDORegulator300mAUltra-lowNoise,Ultra-FastCMOSLDORegulatorFEATURESUltra-lowNoiseforRFApplicationUltra-FastResponseinLine/LoadTransient1.2V,IOUT=0mA90130ADropoutVoltageVDROPIOUT=200mA,VOUT=2.8V130180mVIOUT=300mA,VOUT=2.8V210300LineRegulation(Note7)VLINEVIN=3.6Vto5.5VIOUT=1mA0.050.17%/VLoadRegulation(Note8)VLOAD1mAIOUT1FontheBL9198inputandtheamountofcapacitancecanbeincreasedwithoutlimit.Theinputcap-acitormustbelocatedadistanceofnotm
2、orethan0.5inchfromtheinputpinoftheICandreturnedtoacleananalogground.Anygoodqualityceramicortantalumcanbeusedforthiscapacitor.ThecapacitorwithlargervalueandlowerESR(equi-valentseriesresistance)providesbetterPSRRandline-transientresponse.Theoutputcapacitormustmeetbothrequi-rementsforminimumamountofcapa-citanceandESRinallLDOsapplication.TheBL9198isdesignedspecificallytoworkwithlowESRceramicoutputcapa-citorinspace-savingandperformanceconsideration.Usingaceramiccapacitorwhosevalueisatleast1FwithESRis
3、25montheBL9198outputensuresstability.TheBL9198stillworkswellwithoutputcapacitorofothertypesduetothewidestableESRrange.Outputcapacitoroflargercapacitancecanreducenoiseandimproveloadtransientresponse,stability,andPSRR.Theoutputcapacitorshouldbelocatednotmorethan0.5inchfromtheVOUTpinoftheBL9198andreturnedtoacleananalogground.EnableFunctionTheBL9198featuresanLDOregulatoren-able/disablefunction.ToassuretheLDOregulatorwillswitchon;theENturnoncontrollevelmustbegreaterthan1.2volts.TheLDOregulatorwillgoi
4、ntotheshut-downmodewhenthevoltageontheENpinfallsbelow0.4volts.Fortoprotectthesystem,theBL9198haveaquickdis-chargefunction.Iftheenablefunctionisnotneededinaspecificapplication,itmaybetiedtoVINtokeeptheLDOregulatorinacontinuouslyonstate.ThermalConsiderationsThermalprotectionlimitspowerdissipationinBL9198.Whentheoperationjunctiontemperatureexceeds165C,theOTPcircuitstartsthethermalshutdownfunctionturnthepasselementoff.Thepasselementturnsonagainafterthejunctiontemperaturecoolsby30C.Forcontinueoperati
《LDO稳压器 BL9198_V2.0_en.pdf》由会员飞****9分享,可在线阅读,更多相关《LDO稳压器 BL9198_V2.0_en.pdf》请在金锄头文库上搜索。
《论语》十二章全面解读
Web前端开发案例教程:12完整项目化妆品网站设计与实现
编程基础与实例教程-PHP
2019年抚顺市第六中学高考生物简单题专项训练(含解析)
2019年教科版八年级物理上册全册学案
2019年宝鸡晨光中学高考生物简单题专项训练(含解析)
2019年象山港书院高考生物简单题专项训练(含解析)
2019年一级建造师工程经济考点总结
2019年小学教育教学工作总结4篇
2019年浙江省金华市中考数学试卷(解析版)
2019年布拖县中学高考生物简单题专项训练(含解析)
2010年卫生系列中级职称内科学风湿及结缔组织病习题及参考答案
2019年信阳晨光中学高考生物简单题专项训练(含解析)
2018年一级建造师市政实务必考点
2019年和县第三中学高考生物简单题专项训练(含解析)
2018高考化学微题型微考点训练1--20
2019年大理市大理第二中学高考生物简单题专项训练(含解析)
2019年三中高考生物简单题专项训练(含解析)
2018检验检测机构质量手册
2019年衡南县第三中学高考生物简单题专项训练(含解析)
2024-02-05 27页
2022-08-28 6页
2023-03-25 4页
2024-03-02 2页
2023-01-16 2页
2022-08-18 8页
2023-07-18 9页
2023-12-03 3页
2023-08-07 12页
2024-01-20 26页