TL431A:Programmable Precision Reference / Shunt Regulator

The TL431A, B integrated circuits are three-terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.0 V logic supplies, and since the TL431, A, B operates as a shunt regulator, it can be used as either a positive or negative voltage reference.

技术特性
  • Programmable Output Voltage to 36 V
  • Voltage Reference Tolerance: +/- 0.4%, Typ @ 25°C (TL431AB)
  • Low Dynamic Output Impedance, 0.22 W Typical
  • Sink Current Capability of 1.0 mA to 100 mA
  • Equivalent Full-Range Temperature Coefficient of 50 ppm/ °C Typical
  • Temperature Compensated for Operation over Full Rated Operating Temperature Range
  • Low Output Noise Voltage
  • Pb-Free Packages are Available
封装图 PACKAGE DIMENSIONS

TL431A封装图

订购信息 Ordering Information
产品 状况 Compliance 具体说明 封装 MSL* 容器 预算价格 (1千个数量的单价)
类型 外形 类型 数量
NCV431AIDMR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator Micro8™-8 846A-02 1 Tape and Reel 4000 $0.28
NCV431AIDR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.28
TL431ACDG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator SOIC-8 751-07 1 Tube 98 $0.1467
TL431ACDMR2G Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator Micro8™-8 846A-02 1 Tape and Reel 4000 $0.2133
TL431ACDR2G Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500  
TL431ACLPG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Bulk Bag 2000 $0.1467
TL431ACLPRAG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Tape and Reel 2000 $0.1467
TL431ACLPREG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Tape and Reel 2000 $0.1467
TL431ACLPRPG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Fan-Fold 2000 $0.1467
TL431ACPG Lifetime 
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator PDIP-8 626-05 Tube 50 $0.3733
TL431AIDG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator SOIC-8 751-07 1 Tube 98 $0.1867
TL431AIDMR2G Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator Micro8™-8 846A-02 1 Tape and Reel 4000 $0.2867
TL431AIDR2G Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.1867
TL431AILPG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Bulk Bag 2000 $0.1867
TL431AILPRAG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Tape and Reel 2000 $0.1867
TL431AILPRMG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Fan-Fold 2000 $0.1867
TL431AILPRPG Active
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator TO-92 29-11 Fan-Fold 2000 $0.1867
TL431AIPG Lifetime 
Pb-free
Halide free
Programmable Precision Reference / Shunt Regulator PDIP-8 626-05 Tube 50 $0.3933
数据资料DataSheet下载
概述 文档编号/大小 版本
Programmable Precision Reference / Shunt Regulator TL431/D (94.0kB) 2