infineon ILD4120 2WLED 驱动方案

infineonILD41202WLED驱动方案Driving2WLEDswithILD4120ApplicationNoteAN270Revision:0.4Date:13September2011LEDDriver&AFDiscretesEdition2011-09-13PublishedbyInfineonTechnologiesAG81726Munich,Germany2011InfineonTechnologiesAGAllRightsReserved.LEGALDISCLAIMERTHEINFORMATIONGIVENINTHISAPPLICATIONNOTEISGIVENASAHINTFORTHEIMPLEMENTATIONOFTHEINFINEONTECHNOLOGIESCOMPONENTONLYANDSHALLNOTBEREGARDEDASANYDESCRIPTIONORWARRANTYOFACERTAINFUNCTIONALITY,CONDITIONORQUALITYOFTHEINFINEONTECHNOLOGIESCOMPONENT.THERECIPIENTOFTHISAPPLICATIONNOTEMUSTVERIFYANYFUNCTIONDESCRIBEDHEREININTHEREALAPPLICATION.INFINEONTECHNOLOGIESHEREBYDISCLAIMSANYANDALLWARRANTIESANDLIABILITIESOFANYKIND(INCLUDINGWITHOUTLIMITATIONWARRAN