使用 MAX6850 MAX6853 泵输出的 VFD 网格/阳极供应

摘要：本指南描述了如何使用MAX6850、MAX6851、MAX6852或MAX6853真空荧光显示控制器的泵时钟输出来构造一个低成本升压转换器。从3.3v的直流-直流转换器生成网格高电压供应阳极供应VFD管使用的MAX6850-3显示控制器的供应。Maxim>AppNotes>AutomotiveDisplayDriversKeywords:VFDs,VFDdrivers,VFDcontroller,vacuumfluorescentdisplay,vacuumfluorescentdisplaydriver,Sep26,2002vacuumfluorescentdisplaycontrollerAPPLICATIONNOTE1748VFDGrid/AnodeSupplyUsingMAX6850-MAX6853PUMPOutputAbstract:ThisnotedescribeshowtousethePUMPclockoutputoftheMAX6850,MAX6851,MAX6852,orMAX6853vacuumfluorescentdisplaycontrollerstoconstructalow-costboostconverter.Thedc-dcconvertergeneratesthehigh-voltagegridsupplyanodesupplyfortheVFDtubefromthe3.3VsupplyusedbytheMAX6850-3displaycontroller.ThisapplicationnotediscusseshowtousetheMAX6850,MAX6851,MAX6852,andMAX6853vacuumfluorescentdisplay(VFD)controllers'PUMPclockoutputtobuildaminim