DSC2014_IPG_PowerManagementformobileandportable-Disty2014.pdf

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1、PowerManagementformobileandportableHandheld&ComputerPowerManagementBUIndustrialPower&ConverterDivisionIPG(IndustrialandPowerGroup)DC-DCConverters2ST’sDC-DCsynchronousconvertersaredesignedforconsumerandportableapplications.Buck,buck-boostandboostswitchingregulatorsmustprovidelowpowerc

2、onsumption,high-efficiencypowerconversion,andbeavailableinverysmallpackagesfromstandardleadlessplastictoflip-chippurebumpedsilicon.Theswitchingfrequencycontrolloopguaranteeshighdynamicresponsewithverysmallinductorsize.AllproductsareoptimizedtoworkwithLi-ionbatteries,USBsourcesorthela

3、testbatterychemistries.DC-DCConverters3Highlights:ST1S15isa500mAbuckconverterwithST1S15power-savingmode,forlowIqapplications(<45µA)atlightloadsandhigh-speedtransientresponse:6MHzPWMcontrolloop.Availableinminiatureflip-chip61.19x0.935mm²andTDFN62.0x2.0mm²packages.STBB3isa2Abuck-boostc

4、onverterwithSTBB3power-savingmode,forlowIqapplications(<45µA)atlightloadsandhighcurrentloadupto2.4A.Availableinminiatureflip-chip202.5x1.75mm²package.DC-DCConverters4OutputVoltageSynchronousRectificationSTDO181220VUpto120mA6-12VST8R00WL6920DTRUpto1A2-5.2V1AInp.lim.L6920DB0.75AInp.lim

5、L6920DCBuckconverter0.55AInp.limSTBB1ABuckboostconverter1.2-5.5V1ASTBB3JRBoostconverter2ASTBB3JCC2ASTBB2JAD1.2-4.5V800mASTBB2J29800mASTBB2J30800mAST1S15ST2S06BST2S08BST1S09IST1S090.8V-Vin*500mA2x500mA2x750mA2A2AST2S06A33ST1S06/06AST1S06xx332x500mA1.5A1.5ASmartPowerST1S06xx12PM89061.5

6、AL6928ST1S126AL6925D0.6V-Vin*800mA700mA800mAPM8903A0.5V-2VPM8908L69263A3A800mA0.8-5.5V1-3.5V1.8-5.5V2.3-5.5V2.5-5.5V2.9-5.5V3-5.5V2.7-6V4.5-5.5V4-6VInputVoltage*)Vinshouldbearound200mVhigherthanVoutforproperconversionDC-DCConverters5OutputCurrentFullPWMControl6APM8906BuckconverterBuc

7、kboostconverter3APM8908PM8903ABoostconverter2AST1S09ST2S08STBB3JCCST1S061.5A2x750mASTBB3JRST8R001AUpto12VSTBB1A0.8ASTBB2J0.7AST1S120.5AL6920DBST1S15ST2S062x500mA0.35AL6920DB0.2AL6920DCSTDO18120.1AUpto20V≥5μA≥10μA≥100μA≥1mA≥10mAQuiescentCurrentDC-DCConverters6MaximumPartTopologyContro

8、lCharacteris