Overview of Texas Instruments TL431IDBVR

The Texas Instruments TL431IDBVR is a highly versatile three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. This precision device is available in a small surface-mount package, specifically the SOT-23, which is ideal for space-constrained applications. The TL431IDBVR offers a flexible and reliable solution for creating a custom voltage reference, serving a wide array of electronics, including power supplies, battery chargers, and voltage monitoring systems.

Key Features

• Adjustable Output: The TL431IDBVR provides an output voltage that can be set to any value between 2.495 V and 36 V with two external resistors. This feature allows for high flexibility in design.
• Low Output Noise: This device is designed for low output noise, making it suitable for sensitive applications where a clean reference voltage is critical.
• High Accuracy: With a typical output voltage tolerance of ±0.5%, the TL431IDBVR ensures precise voltage regulation, contributing to the overall stability and performance of the system it is integrated into.
• Low Dynamic Output Impedance: A low output impedance of 0.2Ω enhances load regulation and reduces voltage variation under different load conditions.
• Wide Operating Current Range: The device operates with a current range from 1 mA to 100 mA, providing versatility in various circuit configurations.

Applications

• Adjustable power supplies
• Battery chargers
• Switch-mode power supplies (SMPS)
• Voltage monitoring
• Automotive systems
• Consumer electronics

Quality and Reliability

The TL431IDBVR is manufactured by Texas Instruments, a leader in semiconductor solutions, ensuring high-quality standards and reliability. It is designed to operate over a wide temperature range, making it suitable for industrial and automotive applications where temperature environments can be harsh.

Conclusion

With its precision, flexibility, and reliability, the Texas Instruments TL431IDBVR adjustable shunt regulator stands out as an essential component for designers looking to implement a stable voltage reference or regulator in their systems. Its ease of use, coupled with its small footprint, makes it an excellent choice for a broad range of applications.