L5956 datasheet

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1、L5956MultifunctionvoltageregulatorforcarradioFeatures■Fouroutputs:8.5V@500mA5V@300mAPermanent5V@800mA3.3V@800mAPowerSO20(slug-up)Multiwatt15(vertical)■2Ahighsidedriver■Resetfunction■IgnitioncomparatorDescription■LoaddumpprotectionTheL5956containsatriplevoltageregulatorand■Thermalshutdownap

2、owerswitch.■OvercurrentlimitationTheICincludesamonitoringcircuitfordetection.■AllpinsESDprotectedTheICfeaturesaverylowquiescentunderstand-by.Table1.DevicesummaryOrdercodePackagePackingL5956Multiwatt-15(vertical)TubeL5956PDPowerSO-20TubeL5956PDTRPowerSO-20TapeandreelAugust2007Rev11/16www.st

3、.com1ContentsL5956Contents1Blockdiagramandpinsdescription............................51.1Blockdiagram...............................................51.2Pinsdescription.............................................52Electricalspecifications......................................62.1Absolutema

4、ximumratings.....................................62.2Thermaldata...............................................62.3Electricalcharacteristics.......................................63Timingdiagrams...........................................104Packageinformation...............................

5、.........135Revisionhistory...........................................152/16L5956ListoftablesListoftablesTable1.Devicesummary..........................................................1Table2.Absolutemaximumratings..................................................6Table3.Thermaldata........

6、.....................................................6Table4.Electricalcharacteristics....................................................6Table5.Documentrevisionhistory.................................................153/16ListoffiguresL5956ListoffiguresFigure1.Blockdiagram...............

7、.............................................5Figure2.Pinsconnection(topview)..................................................5Figure3.Typicalapplicationcircuit...................................................9Figure4.Timingdiagramofregulatorsandpowerswitch