16位驅(qū)動IC主要用于LED屏幕及護欄管高性價比新版通用16位恒流驅(qū)動IC，DM134Iout=5~90mA,VoutMax)=17Vn絕佳的恒流精度：信道對信道： 3%；芯片對芯片： 6%n具獨步全球的LED開／短路在線自檢功能：100ns(min)的快速偵測反饋，無須切換操作模式，不影響畫面品質(zhì)n具過溫斷電功能(180 C)n輸出通道分時使能，可有效降低EMIn與DM134／5／A、ST2221C完全兼容，新推出SOP封裝(腳間距1.0mm)GeneralDescriptionTheDM134B、DM135BareconstantcurrentdriversspecificallydesignedforLEDdisplayapplications.Thevalueofconstantcurrentcanbevariedusinganexternalresistor.Thedevicesincludea16-bitshiftregister,latches,andconstantcurrentdriversonasingleSiliconCMOSchip.Features3.3V~5VCMOSCompatibleInputMaximumClockFrequency:25MHz(CascadeOperation)MaximumOutputVoltage:Package:PackageandPinLayout:17VDIP24,SOP24,SSOP24,QFN32PinlayoutandfunctionalityaresimilartothoseoftheST2221C.(Eachcharacteristicvalueisdifferent.)ConstantCurrentMatching:(Ta=25 C、VDD=5.0V)Chip-to-Chip: 10.0%Bit-to-Bit:DM134B: 4.0%@IOUT=30~90mA 6.0%@IOUT=20~30mADM135B: 4.0%@IOUT=20~60mA 6.0%@IOUT=5~20mA16-BitConstantCurrentLEDDrivers