ON Semiconductor TL431BCDR2G Precision Programmable Reference

The TL431BCDR2G is a versatile, precision programmable voltage reference from ON Semiconductor. This device is part of the TL431 series, known for its reliability and flexibility in various electronic applications. The TL431BCDR2G offers a nominal voltage reference of 2.495 V, which can be adjusted from 2.495 V to 36 V with two external resistors. This feature provides designers with a high degree of flexibility to cater to specific voltage requirements in their circuits.

Encased in an SOT-23-3 surface-mount package, the TL431BCDR2G is designed for space-constrained applications. Its small footprint makes it an ideal choice for integration into dense PCB layouts, where saving space is crucial. Despite its compact size, it does not compromise on performance, offering excellent temperature stability and low output noise, which is essential for precision circuitry.

The device boasts a typical dynamic output impedance of 0.22 ohms. This low impedance characteristic means that the TL431BCDR2G can maintain a stable reference voltage even with load variations, which is critical for maintaining accuracy in power supply and control systems. Furthermore, its operational temperature range of -40°C to +85°C ensures that it can perform reliably in a wide range of environmental conditions.

Common applications for the TL431BCDR2G include voltage monitoring, adjustable power supplies, switching power supplies, and as a precision current limiter. Its ability to act as a stable reference makes it an invaluable component in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), where precise voltage levels are necessary for accurate conversions.

ON Semiconductor's commitment to quality is evident in the TL431BCDR2G, making it a go-to choice for engineers looking for a dependable and precise voltage reference. Whether used in consumer electronics, automotive systems, or industrial equipment, the TL431BCDR2G delivers the performance needed to ensure stable and accurate operation of electronic circuits.

To ensure compatibility with various environmental standards, the TL431BCDR2G is also RoHS compliant, meaning it adheres to restrictions on the use of certain hazardous substances in electrical and electronic equipment.