The Texas Instruments TL431CDBVT is a three-terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. This precision voltage reference is widely used in a variety of applications, from power supplies to battery management systems, where a stable and adjustable voltage reference is critical.

Key Features

• Adjustable Output: The TL431CDBVT provides an output voltage that can be set to any value between Vref (approximately 2.495V) and 36 volts with the use of two external resistors. This feature allows for flexibility in design and application.
• High Stability: With a typical temperature coefficient of only 50 ppm/°C, this device maintains a stable output over a wide temperature range, making it reliable for use in harsh environments.
• Low Output Noise: It offers a low output noise characteristic, which is essential for precision electronics where noise can affect performance.
• Wide Operating Current: The TL431CDBVT operates with a current range from 1mA to 100mA, providing ample headroom for both low and high current applications.
• Surface-Mount Package: The device comes in a small SOT-23 package, which is ideal for space-constrained applications and is suitable for automated PCB assembly processes.

Applications

The versatility of the TL431CDBVT makes it suitable for a wide range of applications, including:

• Adjustable power supplies
• Battery chargers
• Voltage monitoring
• Switching power supplies
• Linear power supplies
• Automotive systems

Quality and Reliability

Texas Instruments is renowned for its commitment to quality and reliability, and the TL431CDBVT is no exception. The device is designed to meet the rigorous standards expected of industrial and automotive-grade components, ensuring consistent performance and a long operational lifespan.

Conclusion

In summary, the TL431CDBVT from Texas Instruments is a highly versatile, stable, and reliable adjustable shunt regulator that is well-suited for a variety of applications where precision voltage reference is required. Its small footprint, wide operating range, and robust design make it an excellent choice for designers looking for a dependable voltage reference solution.