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产品品牌：一中 产品型号：TL431 类型:稳压IC封装:TO-92/SOT-23 批号:M8 PartNo.产品名称VIN（MIN-MAX)输入电压范围VREF基准及精度IOUT输出电流Imin最小维持PACKAGE封装Overview概述TL4312.5~40V2.495V0.5%10mA500uASOT-23/TO-92The TL431 is a three-terminal adjustable shuntregulatorwithguaranteedthermalstabilityoverafull operation range. It features sharp turn-oncharacteristics, low temperature coefficient andlow output impedance, which make it idealsubstituteforZenerdiodeinapplicationssuchasswitching power supply, charger and otheradjustableregulators.The output voltage of TL431 can be set to anyvaluebetweenVref(2.5V)andthecorrespondingmaximumcathodevoltage(36V).TheTL431isofferedintwogradeinitialvoltagetoleranceat25℃,0.5%and1%.This IC isavailable in3packages:TO-92 (bulkorammo),SOT-23andSOT-89.TL431是三端可调的，全温度范围稳定的并联调整器。具有快速启动、低温漂和低输出阻抗的特性，在开关电源、充电和其他可调调整器应用中是齐纳二极管的理想替代器件。输出电压范围为Vref (2.5V)到最大阴极电压(36V)。0.5%和1%两种精度（25℃）。3种封装：TO-92(bulk 或 ammo)，SOT-23和SOT-89。可编程精确的输出电压 Programmable PreciseOutputVoltagefrom2.5Vto36V容性负载下高度稳定 High Stability UnderCapacitiveLoad低阴极电流LowMinimumCathodeCurrentforRegulation:300 A(Typ.)低温漂Low Temperature Deviation:4mVTypical电流能力Sink Current Capacity from 300 Ato100mA低输出噪声LowOutputNoise宽工作温度范围Wide OperatingRange:-25℃to125℃应用 Applications充电器 Charger电压适配器VoltageAdapter开关电源SwitchingPowersupply图形卡GraphicCard精确电压基准PrecisionVoltageReference