Linear Voltage Regulators


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ST offers a wide range of voltage regulators intended for automotive applications.

Part NumberPackageGeneral DescriptionAutomotive GradeOperating RangeNumber Of Outputs typ ()Regulated Output VoltageOutput Current(I_OUT)Output Tolerance (%) typ ()Dropout Voltage(V_D) typ (mV)Dropout Voltage(V_D) max (mV)RESET OutputEnable PinEarly WarningWatchdog TimerWatchdog EnableSupply Current (Standby)(Icc1) typ (µA)Quiescent current(Iq) (@ low load) typ (µA)
L4925PowerSO-20Very Low Drop Voltage RegulatorYesAutomotive155002300-------190
L4938EPDPowerSO-20Advanced voltage regulatorYesAutomotive25-2300--YesYes---210
L4949ED-ESO-8Multifunction very low drop voltage regulatorYesAutomotive151001300---Yes---200
L4949EP-ESO-20Multifunction very low drop voltage regulatorYes-151001300---Yes---200
L4979DSO-8Low drop voltage regulator; _Yes--------------
L4979MDSO-20Low drop voltage regulatorYesAutomotive151502200--Yes-Yes-6100
L4988SO-20; SO-8Low drop voltage regulator; _YesAutomotive152002270----YesYes-130
L4989DSO-8Low power voltage regulatorYesAutomotive1533180----YesYes-110
L4989MDSO-20Low power voltage regulatorYesAutomotive151503180----YesYes-110
L4993SO-20; SO-8Low drop voltage regulator with watchdogYesAutomotive151502200----YesYes-100
L4995PowerSSO 12; PowerSSO 24Low drop voltage regulatorYesAutomotive155002270------390
L5150BNSOT-2235V Low drop voltage regulatorYesAutomotive151502-500------50
L5150CJPowerSSO 125V Low drop voltage regulatorYesAutomotive151502-500--Yes---55
L5150CSSO-85V Low drop voltage regulatorYesAutomotive151502-500--Yes---55
L5150GJPowerSSO 125V Low drop voltage regulatorYesAutomotive151502-500-YesYes--555
L5300AH7TO-252 6L5V Low drop voltage regulatorYesAutomotive153002-500-Yes---555
L5300EPTPPACK 55 V low dropout voltage regulatorYesAutomotive153002-500-Yes---555
L5300GJPowerSSO 12Standard Functions, Voltage RegulatorsYesAutomotive153002-500-YesYes--555
L5300RPTPPACK 55 V low dropout voltage regulatorYesAutomotive153002-500------55
L9758PowerSO 36Multiple supply for engine controlYesAutomotive------Open-Drain Active LowYesYesNoNo120-
L9777PowerSSO 12Low power voltage regulatorYes--------------