TheGM9910BisaPWMhighefficiencycontrolLEDdriverIC.ItallowsefficientoperationofHighBrightness(HB)LEDsfromvoltagesourcesrangingfrom10VDCupto500VDC，thisfeatureallowsGM9910Bcanworkfromawiderangeofinputvoltageswithouttheneedforanexternallowvoltagesupply.Byusingasingleresistor，theswitchingfrequencytocontroltheexternalMOSFETcanbefixedupto300KHz.GM9910BisconstantcurrentLEDdriver，whichenhancethereliability.Theoutputcurrentcanbeprogrammedbetweenafewmilliampsanduptomorethan1.0A.GM9910Busesaruggedhighvoltagejunctionisolatedprocessthatcanwithstandaninputvoltagesurgeofupto500V.OutputcurrenttoanLEDstringcanbeprogrammedtoanyvaluebetweenzeroanditsmaximumvaluebyapplyinganexternalcontrolvoltageatthelineardimmingcontrolinputoftheGM9910B.TheGM9910Bprovidesalow-frequencyPWMdimminginputthatcanacceptanexternalcontrolsignalwithadutyratioof0-100%andafrequencyofuptoafewkilohertz.
特点：
?1.90%efficiency?
2.Wideinputrange–10Vto500V?
3.ConstantcurrentLEDdriver?
4.ApplicationsfromafewmAtomorethan1A?
5.LEDstringfromonetohundredsofdiodes?
6.PWMlowfrequencydimmingviaenablepin?
7.Inputvoltagesurgeratingupto500V
应用：
?1.AC/DCorDC/DCLEDDriverApplications?
2.RGBBacklightingLEDDriver
3.BackLightingofFlatPanelDisplays?
4.GeneralPurposeConstantCurrentSource
DC-DC降压型产品(LED恒流驱动器)
GM9910B
GM9130HV
GM9135
GM7150
DC-DC升压型产品(LED恒流驱动器)
GM19371
DC-DC降压型产品(高压恒压驱动器)
GM2576
GM7130
GM7109
GM7230
GM2576HV
GM7130HV
GM7109HV
GM7230HV
GM7102SV
GM7202SV
C-DC降压型产品(高效率恒压恒流驱动器)
GM7323
GM7321
AC-DC降压型产品(LED恒流驱动器)
GM6901
AC-DC降压型产品(电源适配器)
GM9664
GM9668
LDO线性稳压器(恒压驱动器)
GM6250
GM6250H
GM2950
GM2951
公司:深圳市哲瀚电子科技有限公司
联系人:陈小姐
手机:13714441972
电话:0755-82549527/83259945/13714441972
传真:0755-83259945
地址:广东省深圳市福田区中航路都会轩1213
