The TS431AILT from STMicroelectronics is a three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. This high-performance component is designed to offer a versatile solution for various electronic applications that require voltage reference or regulation.

Key Features

• Adjustable Output Voltage: This shunt regulator can be set to any value between Vref (approximately 2.5V) and 36 volts with the use of two external resistors.
• Low Dynamic Output Impedance: The TS431AILT has a dynamic impedance of 0.2Ω, providing stable reverse current operation.
• Wide Operating Temperature Range: It functions reliably across a broad temperature range, making it suitable for various industrial and automotive applications.
• Surface-Mount Package: The device is available in an SOT23-5 package, which is ideal for space-constrained applications.

Applications

The flexibility and reliability of the TS431AILT make it an excellent choice for a wide array of applications, including:

• Adjustable voltage and current references
• Switching power supplies
• Linear power supplies
• Instrumentation
• Battery chargers
• Consumer electronics
• Automotive electronics

Performance Specifications

With a typical output voltage noise of only 0.5 µV/V, the TS431AILT offers excellent noise performance for sensitive electronics. Its precise voltage reference and low temperature coefficient ensure consistent and reliable operation, while the ability to operate under a wide range of current (from 1 mA to 100 mA) provides design flexibility.

Quality and Reliability

STMicroelectronics is known for its commitment to quality, and the TS431AILT is no exception. It is designed to meet stringent industry standards, ensuring high reliability and performance for the lifetime of your product.