TL431-A

TL431-A

  • 厂商:

    BLUEROCKET(蓝箭电子)

  • 封装:

    TO-92-3

  • 描述:

    37V 并联 50UA

  • 数据手册
  • 价格&库存
TL431-A 数据手册
TL431 Rev.F Mar.-2016 描述 / DATA SHEET Descriptions TO-92 塑封封装精密可调基准电源。 Precision adjustable shunt regulator in a TO-92 Plastic Package.  特征 / Features 精确参照电压 2.495V;允许电压误差为 0.5%,1%或 2%;阴极电流能力为 1.0mA~100mA;快速导通;可 调节输出电压为 VO=Vref~36V;阴极工作电流低(典型值:50μA);动态输出阻抗低(典型值:0.15Ω)。 Precise reference voltage to 2.495V;guaranteed 0.5%,1% or 2% reference voltage Tolerance; sink current capability,1.0mA ~ 100mA;quick turn-on; adjustable Output voltage, VO=Vref ~ 36V;low operational cathode current,50μA typical; 0.15Ω typical output impedance. 用途 / Applications 用于线性调整器,可调节电源和开关电源。 Linear regulators, adjustable power supply, switching power supply. 内部等效电路 引脚排列 12 3 PIN1:K 印章代码 / Equivalent Circuit / Pinning PIN 2:A PIN 3:R / Marking 见印章说明。See Marking Instructions http://www.fsbrec.com 1/7 TL431 Rev.F Mar.-2016 极限参数 / DATA SHEET Absolute Maximum Ratings(Ta=25℃) 参数 Parameter 符号 Symbol 数值 Rating 单位 Unit VKA 37 V IK -100~+100 mA Reference Input Current Range, Continuous IREF 0.05~+10 mA Power Dissipation PD 770 mW Tamb -40~125 ℃ Tj 150 ℃ Tstg -65~150 ℃ Cathode to Anode Voltage Cathode Current Range, Continuous Operating Ambient Temperature Junction Temperature Storage Temperature Range  电性能参数 / Electrical Characteristics(Ta=25℃) 参数 Parameter Reference Input Voltage Deviation of Reference Input Voltage OverTemperature Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reference Input current Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation 符号 Symbol VREF △VREF /△T △VREF /△VKA IREF △IREF/ △T 测试条件 Test Conditions VKA=VREF IK=10mA(A=0.5%) VKA=VREF IK=10mA(B=1%) VKA=VREF IK=10mA(2%) VKA=VREF IK=10mA TA=-40~125℃ IK=10mA, △VKA =10V to VREF IK=10mA, △VKA =36V to 10V R1=10KΩ IK=10mA R2=open IK=10mA R1=10KΩ, R2=open TA=-40~125℃ IK(min) VKA=VREF Off-state cathode current IK(off) VKA=36V Dynamic impedance |ZKA| VKA=VREF f≤1.0KHz IK=1mA to 100mA http://www.fsbrec.com VREF=0V 最小值 Min 典型值 Typ 最大值 Max 单位 Unit 2.483 2.495 2.507 V 2.470 2.495 2.520 V 2.445 2.495 2.545 V 4.5 25 mV -1 -2.7 mV/V -0.5 -2.0 mV/V 0.8 1.0 μA 0.4 1.2 μA 0.05 0.08 mA 0.05 1.0 μA 0.15 0.5 Ω 2/7 TL431 Rev.F Mar.-2016 电参数曲线图 DATA SHEET / Electrical Characteristic Curve http://www.fsbrec.com 3/7 TL431 Rev.F Mar.-2016 DATA SHEET 测试电路图&典型应用图 Test circuits&Typical Application BLOCK DIAGRAM: TL431 TEST CIRCUITS: TL431 TL431 Test Circuit For VKA=VREF Test Circuit for VKA≥VREF TL431 Test Circuit For IKA(OFF) TYPICAL APPLICATION: Shutdown Regulator Higher-current Shunt Io=VREF/RCL+IKA IN RCL OUT TL431 Constant Current Source http://www.fsbrec.com Series Pass Regulator 4/7 TL431 Rev.F Mar.-2016 外形尺寸图 DATA SHEET / Package Dimensions http://www.fsbrec.com 5/7 TL431 Rev.F Mar.-2016 印章说明 / DATA SHEET Marking Instructions BR TL431 A **** 说明: BR: 为公司代码 TL431: 为产品型号 A: 为 hFE 分档代码 ****: 为生产批号代码,随生产批号变化。 Note: BR: Company Code. TL431: Product Type. A: hFE Classifications Symbol ****: Lot No. Code, code change with Lot No. http://www.fsbrec.com 6/7 TL431 Rev.F Mar.-2016 DATA SHEET 波峰焊温度曲线图(无铅) / Temperature Profile for Dip Soldering(Pb-Free) 说明: Note: 1、预热温度 25~150℃,时间 60~90sec; 1.Preheating:25~150℃, Time:60~90sec. 2、峰值温度 255±5℃,时间持续为 5±0.5sec; 2.Peak Temp.:255±5℃, Duration:5±0.5sec. 3、焊接制程冷却速度为 2~10℃/sec. 3. Cooling Speed: 2~10℃/sec. 耐焊接热试验条件 / 温度:270±5℃ 包装规格 散件包装 Time:10±1 sec Units 包装数量 Units/Bag 只/袋 Bags/Inner Box 袋/盒 Units/Inner Box 只/盒 Dimension Inner Boxes/Outer Box 盒/箱 Units/Outer Box 只/箱 Bag 袋 包装尺寸 Inner Box 盒 (unit:mm3) Outer Box 箱 1,000 10 10,000 5 50,000 135×190 237×172×102 560×245×195 1,000 10 10,000 10 100,000 135×190 237×172×102 560×245×375 Units/tape 只/纸带 Tape/Inner Box 纸带/盒 Rows/Inner Box 纸带层/盒 Inner Boxes/Outer Box 盒/箱 Units/Outer Box 只/箱 Inner Box 盒 3,000 1 120 10 30,000 328×230×42 / AMMO Package Type 封装形式 使用说明 Temp:270±5℃ / BULK TO-92 TO-92 时间:10±1 sec. / Packaging SPEC. Package Type 封装形式 编带包装 Resistance to Soldering Heat Test Conditions Units 包装数量 Dimension 包装尺寸 (unit:mm3) Outer Box 箱 小箱 480×346×235, 大箱 547×407×268 / Notices http://www.fsbrec.com 7/7
TL431-A 价格&库存

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