產(chǎn)品品牌:一中
產(chǎn)品型號(hào):TL431
類型:穩(wěn)壓IC封裝:TO-92/SOT-23
批號(hào):M8
PartNo.產(chǎn)品名稱VIN(MIN-MAX)輸入電壓范圍VREF基準(zhǔn)及精度IOUT輸出電流Imin最小維持PACKAGE封裝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是三端可調(diào)的,全溫度范圍穩(wěn)定的并聯(lián)調(diào)整器。具有快速啟動(dòng)、低溫漂和低輸出阻抗的特性,在開(kāi)關(guān)電源、充電和其他可調(diào)調(diào)整器應(yīng)用中是齊納二極管的理想替代器件。輸出電壓范圍為Vref (2.5V)到最大陰極電壓(36V)。0.5%和1%兩種精度(25℃)。3種封裝:TO-92(bulk 或 ammo),SOT-23和SOT-89??删幊叹_的輸出電壓 Programmable PreciseOutputVoltagefrom2.5Vto36V容性負(fù)載下高度穩(wěn)定 High Stability UnderCapacitiveLoad低陰極電流LowMinimumCathodeCurrentforRegulation:300 A(Typ.)低溫漂Low Temperature Deviation:4mVTypical電流能力Sink Current Capacity from 300 Ato100mA低輸出噪聲LowOutputNoise寬工作溫度范圍Wide OperatingRange:-25℃to125℃應(yīng)用 Applications充電器 Charger電壓適配器VoltageAdapter開(kāi)關(guān)電源SwitchingPowersupply圖形卡GraphicCard精確電壓基準(zhǔn)PrecisionVoltageReference