TL43xx Precision Programmable Reference - TI.com
VrefInputVKAIKAProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTL431,TL431A,TL431BTL432,TL432 A,TL432BSLVS543O AUGUST2004 REVISEDJANUARY2015TL43xxPrecisionProgram mableReference1 Features3 DescriptionTheTL431andTL432devicesare three-terminal1 ReferenceVoltageToleranceat 25 Cadjustableshuntregulators,withspecified thermal (B Grade)stabilityoverapplicableautomotive, commercial,and 1% (A Grade) outputvoltagecanbe set to anyvaluebetweenVref(approximately 2% (StandardGrade) V) and 36 V, withtwo AdjustableOutputVoltage:Vrefto 36 Vdeviceshavea typicaloutputimpedanceof . OperationFrom 40 C to 125 CActiveoutputcircuitryprovidesa verysharpturn-oncharacteristic,makingthe sedevicesexcellent TypicalTemperatureDrift (TL431B)replacementsfor Zenerdiodesin manyapplications, 6 mV (C Temp)suchas onboardregulation,adjustablepower 14 mV (I Temp,Q Temp)supplies,and TL432 Low OutputNoisedevicehasexactlythesamefuncti onalityandelectricalspecificationsas the TL431device,but has TypicalOutputImpedancedifferentpinoutsfo r the DBV,DBZ,and PK packages.
1 2 3 4 8 7 6 5 cathode anode anode nc ref anode anode nc tl431, tl431a, tl431b . . . d (soic) package (top view) 1 2 3 4 8 7 6 5 cathode …
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