标签: weld
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扩展TPS6116x8x9xWLED驱动器的输入电压范围ApplicationReportSLVA338……
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驱动WLED不要求电压始终保持为4VTexasInstrumentsIncorporatedPowerManagementDrivingaWLEDdoesnotalwaysrequire4VByWillHaddenPowerManagementProducts,PortablePowerDC/DCApplicationsThepopularityofwhite-light-emittingdiodes(WLEDs)hasFigure1.TypicalWLEDI-Vcurvesskyrocketed,primarilybecausetheyareusedtoprovidebacklighttoportableelectronicsdisplays.ThecommonbeliefisthatasingleWLEDrequiresa4-Vdrivevoltage.100SinceaLi-ionbatteryprovidesanaveragevoltageof3.6V,thegeneralindustryconsensusisthatastep-upconverter……
