一级代理MP1519是一个1x,1.5x,2xHighEfficiencyChargePump4WhiteLEDDriver，其采用QFN-16的引脚封装具体规格如下：DescriptionTheMP1519isafullyautomaticdriverforpoweringfourwhiteLEDs,withupto4Vforwardvoltage,fromasingleLi-IonorthreeNiMHcells.ThedriverperformsallofthesensingandcontroltoruntheLEDsatanoptimumchargepumpratioforefficiencywithoutanexpensiveinductor.ThedriverallowsPWMoperationtosupportbrightnesscontrol.Thetiny3mmx3mmQFN16packageand***allexternalcapacitorsallowforthemostcompactwhiteLEDsolution***ailable.Features•2%LEDCurrentMatching•HighEfficiency(>93%)•CurrentSourceOutputs•NoBallastResistorsRequired•1x,1.5xand2xAutomaticModes•C***tantFrequencyOperation•AutomaticLEDDetection•HighandLowFrequencyPWMCapability•2.5Vto5.5VOperation•Lessthan1μALeakageduringShutdown•DetectsChangesinBatteryLevel•NoExternalSchottkyDiodeRequired•Soft-StartandSoftSwitchingOperationAPPLICATI***•CellPhones•PDAorHandHeldComputers•WhiteLEDApplicationat3.6VSupply型号：MP1519DQ-LF-Z厂家：MPS封装：QFN-16批号：12+应用：蜂窝电话、掌上电脑、学习机、数码相机)