The TS431BIYLT from STMicroelectronics is a highly precise, programmable shunt voltage reference with an output voltage range that can be set to any value between 2.495 V and 36 V using two external resistors (R1 and R2). It is a part of the TS431 series, known for its stability and accuracy in a variety of applications.

Key Features

• Adjustable Output Voltage: The device can be programmed to the desired output voltage through external resistors, providing design flexibility.
• Low Dynamic Impedance: The TS431BIYLT boasts a low dynamic impedance, ensuring stable operation under varying current loads.
• High Precision: With a typical temperature coefficient of only 50 ppm/°C and initial accuracy of 0.5%, this voltage reference is suitable for high-precision applications.
• Extended Temperature Range: It operates over a wide temperature range from -40°C to +125°C, making it versatile for different environmental conditions.
• Low Operational Current: The device is characterized by a low operational current in the range of 400 µA to 10 mA, which is beneficial for power-sensitive designs.

Applications

The TS431BIYLT is ideal for various applications where voltage precision is crucial. These include:

• Power supplies
• Battery chargers
• Battery-operated equipment
• Data acquisition systems
• Instrumentation
• Automotive electronics

Package and Quality

The device is available in a small SOT-23 package, which is suitable for space-constrained applications. Additionally, it conforms to the rigorous standards set by STMicroelectronics for quality and reliability, ensuring consistent performance across the product's lifespan.

Conclusion

The TS431BIYLT is a versatile and reliable solution for maintaining a stable reference voltage in a wide array of electronic systems. Its programmability, precision, and low power consumption make it an excellent choice for designers looking to optimize their power management strategies.