价格:未填
供应:99999
发货:3天内
DESCRIPTIONTheMT7910isahysteresiscurrentmodecontrolLEDdriverIC.TheMT7910operatesinconstantoff-timemode.ItallowsefficientoperationofHighBrightness(HB)LEDsfromvoltagesourcesrangingfrom14VDCupto450VDCor110VAC/220VAC.TheMT7910includesaPWMdimminginputthatcanacceptanexternalcontrolsignalwithadutyratioof0-100%andafrequencyofuptoafewkilohertz.Italsoincludesa0-250mVlineardimminginputwhichcanbeusedbothforlineardimmingandtemperaturecompensationoftheLEDcurrent.TheMT7910isideallysuitedforbuckLEDdrivers.SincetheMT7910operatesinhysteresiscurrentmodecontrol,thecontrollerachievesgoodoutputcurrentregulationwithouttheneedforanyloopcompensation.Further,withMaxicproprietarycontroltechnology(patentpending),MT7910achievesprecisionoutputcurrentaccuracyfrom85VAC~265VAC.PWMdimmingresponseislimitedonlybytherateofriseandfalloftheinductorcurrent,enablingveryfastriseandfalltimes.Frequencyjittering