Product Overview: TL431BQDBVT from Texas Instruments

The TL431BQDBVT is a precision programmable reference from Texas Instruments, renowned for its versatility and reliability in various applications. This three-terminal adjustable shunt regulator offers excellent temperature stability and output current handling capability, making it a popular choice for power supply and voltage regulation solutions.

Key Features

• Voltage Flexibility: The output voltage can be set to any value between Vref (approximately 2.5V) and 36 volts with the use of two external resistors.
• High Accuracy: Features a typical output voltage tolerance of ±0.5%, ensuring precise voltage regulation for sensitive electronics.
• Low Output Noise: It offers a low dynamic output impedance, providing a stable reference with minimal noise, crucial for high-performance applications.
• Temperature Stability: The device is characterized for operation from -40°C to 125°C, allowing it to perform consistently across a wide range of temperatures.
• Current Capacity: Capable of sourcing or sinking up to 100 mA, this component is suitable for a variety of load conditions.

Applications

The TL431BQDBVT is incredibly versatile, finding its place in numerous applications, including:

• Adjustable voltage and current regulators
• Switching power supplies
• Linear power supplies
• Charge controllers
• Driver for optocouplers in power supplies
• Comparator with an integrated reference

Package and Quality

This device is offered in a small SOT-23-5 package, which is ideal for space-constrained applications. The TL431BQDBVT is part of Texas Instruments’ commitment to high-quality standards and is manufactured to ensure reliability and performance in critical systems.

Conclusion

With its high accuracy, temperature stability, and flexible voltage programming, the TL431BQDBVT from Texas Instruments stands out as a robust and dependable solution for designers seeking a precision voltage reference. Its small footprint and wide range of applications make it an essential component for modern electronic systems.