EUP3466A-CC/CV模式***型DC-DC变换器EUP3466A-CC/CV模式***型DC-DC变换器DataSheet概述EUP3466A是一款工作在CC或CV模式的***型DC-DC变换器，可以提供高达3A的负载电流，其具有很好的线性和负载调整率。EUP3466A可以在宽输入电压范围8V～36V内稳定工作，EUP3466A提供了通过外部电阻分压器实现的可编程线缆补偿，而当输出电压超过额定电压时，同样通过外部电阻分压实现开关关断。EUP3466A在故障预防与处理方面，具有二次循环峰值电流限制、短路保护以及过温关断等保护机制。芯片在关断模式下的静态电流可低至3µA以下。芯片内部软启动有效减小了输入浪涌电流和启动时的输出过冲。EUP3466A采用SOP-8封装。特点•输入电压范围：8V至36V•输入电压浪涌低至40V•恒定120KHZ的开关转换频率•CC/CV(固定电流/固定电压)模式选择•高达3A的输出电流•电压参数精度：+/-1%•恒定电流精度：+/-4%•可编程线缆补偿•内部软启动•输出过压保护•实时监测级的短路保护•二次循环峰值电流控制•过热关断•SOP-8封装•符合RoHS规范及Pb-Free应用•车载充电•便携式电子产品充电•带有峰值电流限制的DC/DC转换器EUP3466A-CC/CVModeStep-DownConverterDescriptionTheEUP3466Aisastep-downconvertercapableofdriving3Acontinuousloadwithexcellentlineandloadregulation.TheEUP3466AoperatesineitherCC(C***tantCurrent)modeorCV(C***tantVoltage)modewithaninputvoltagerangefrom8Vto36V.TheEUP3466Aprovidesprogrammablecablecompensationbyadjustingexternalresistordivider.TheEUP3466Astopsswitchingwhentheoutputreachesovervoltagethresholdwhichisprogrammedbyexternalresistordivider.Faultprotectionincludessecondarycycle-by-cyclecurrentlimit,shortcircuitprotectionandthermalshutdown.Inshutdownmodetheregulatordraws3μAofsupplycurrent.Internalsoft-startminimizestheinrushsupplycurrentandtheoutputovershootatinitialstartup.TheEUP3466Ais***ailableinSOP-8package.Feature•8Vto36VWideInputOperatingRange•40VInputVoltageSurge•Fixed120kHzSwitchingFrequency•CC/CVModeControl•Upto3AOutputCurrent•+/-1%VoltageReferenceAccuracy•+/-4%C***tantCurrentAccuracy•ProgrammableCableCompensation•InternalSoftStart•OutputOverVoltageProtection•FoldbackShortCircuitProtection•SecondaryCycle-by-CycleCurrentLimit•ThermalShutdown•***ailableSOP-8Package•RoHSCompliantand100%Lead(Pb)-FreeHalogen-FreeApplication•CarCharger•Portablechargerapplicati***•DC/DCconverterswithcurrentlimited)