The TS431AILT-E from STMicroelectronics is a versatile and adjustable precision shunt regulator designed to offer a reliable solution for voltage reference and regulation needs in a wide array of electronic applications. This three-terminal regulator is highly accurate and can be programmed to any value between the reference voltage of 2.495 volts and 36 volts, using two external resistors.

Key Features

• Adjustable Output Voltage: This device allows for an adjustable output voltage that can be set from 2.495 V to 36 V, making it highly flexible for various applications.
• High Precision: The TS431AILT-E offers a typical output voltage precision of 0.5%, ensuring accurate voltage regulation for sensitive circuits.
• Low Operational Current: With an operational current range from 1 mA to 100 mA, this device is suitable for low-power operations, contributing to energy efficiency in your designs.
• Temperature Compensated: It features a temperature-compensated voltage reference which allows for stable operation over a wide temperature range, typically from -40°C to +125°C.
• Low Dynamic Output Impedance: The dynamic output impedance of 0.2 ohms (typical) ensures minimal voltage drop under varying load conditions.

Applications

The TS431AILT-E is ideal for a variety of applications, including:

• Power supplies
• Battery-operated equipment
• Voltage monitoring
• Adjustable voltage references
• Precision current limiters
• Switching power supplies

Package and Quality

The device is available in a small SOT-23 package, which is suitable for space-constrained applications. It is also RoHS compliant and is manufactured to meet the high-quality standards expected from STMicroelectronics, ensuring reliability and performance.

Conclusion

The TS431AILT-E adjustable precision shunt regulator is a testament to STMicroelectronics' commitment to providing high-quality, versatile, and energy-efficient components. Its precision, flexibility, and temperature stability make it an excellent choice for designers looking to create robust and adaptable electronic systems.