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CSP-12QFN-10TPS61050TPS61052SLUS525–MARCH20071.2-AHIGHPOWERWHITELEDDRIVER22-MHzSYNCHRONOUSBOOSTCONVERTERWITHICCOMPATIBLEINTERFACEFEATURESDESCRIPTION•FourOperationalModesTheTPS6105xdeviceisbasedonahigh-frequency–TorchandFlashuptoILED=1200mAsynchronous-boosttopologywithconstantcurrent–Voltage-RegulatedBoostConverter:sinktodrivesinglewhiteLEDs.Thedeviceusesan4.5/5.0/5.25Vinductivefixed-frequencycontrolschemeusingsmallexternalcomponents,minimizinginputripple–Shutdown:0.3µA(typ)current.•TotalSolutionCircuitArea<25mm2The2-MHzswitchingfrequencyallowstheuseof•Upto96%Efficiencysmallandlowprofile2.2-µHinductors.Tooptimize2overallefficiency,thedeviceoperateswithonlya•IC-CompatibleInterfaceupto400kbps250mVLEDfeedbackvoltage.•IntegratedLEDTurn-OnSafetyTimer•ZeroLatencyTX-MaskingInput(TPS61050)TheTPS