标签: lt3580

LT3580提供一种独特的反馈结构，使其可以配置成反相或非反相的转换器。同样也可产生固定极性电压，减少外部元件的数量。它还有软启动、可调整的开关频率、关断、同步功能、可配置的过压锁定输出、外部补偿和宽输入范围等特性。这些特性使简化了反相或非反相转换器的设计。SingleResistorSetsPositiveorNegativeOutputforDC/DCConverter……

Manyelectronicsubsystems,suchasVFD(vacuumfluorescentdisplay),TFT-LCD,GPSorDSLapplications,requiremorethanjustasimplestep-downorstep-upDC/DCconverter.Theymayrequireinverting,noninvertingconvertersorboth.DesignersusuallyresorttodifferentregulatorICstocontrolvariouspolarityoutputs,thusincreasingtheinventorylist.TheLT®3580solvesthisproblembycontrollingeitherpositiveornegativeoutputsusingthesamefeedbackconfiguration.Itcontainsanintegrated2A,42Vswitchandpacksmanypopularfeaturessuchassoft-start,adjustablefrequency,synchronizationandawideinputrangeintoasmallfootprint.TheLT3580comesinan8-pin3mm×3mmDFNorMSOPpackagesandcanbeusedinmultipleconfigurationssuchasboost,SEPIC,flybackandCuktopologies.SingleResistorSetsPositiveorNegativeOutputforDC/DCConverter……