STMicroelectronics TS431AI: Precision Adjustable Shunt Voltage Reference

The TS431AI from STMicroelectronics is a three-terminal adjustable shunt voltage reference offering excellent temperature stability and output voltage precision. This high-performance device is designed to maintain accurate voltage regulation across a wide range of operating conditions, making it an ideal choice for numerous applications in the field of electronics.

Key Features

• Adjustable Output Voltage: The TS431AI provides an output voltage range from 1.24V to 10V, which can be set with external resistors, giving designers flexibility to tailor the output to their specific requirements.
• High Precision: This device guarantees a typical output voltage tolerance of ±0.5%, ensuring reliable and consistent performance for precision applications.
• Low Temperature Coefficient: With a typical temperature coefficient of 50ppm/°C, the TS431AI is less sensitive to temperature variations, contributing to its overall precision over the entire temperature range.
• Low Operational Current: Operating with a current range from 1mA to 100mA, the TS431AI can function effectively in low-power applications.
• Extended Temperature Range: The device is operational over an industrial temperature range from -40°C to +125°C, allowing for use in harsh environments.

Applications

The TS431AI is suitable for a broad spectrum of applications, including:

• Power supplies
• Battery chargers
• Consumer electronics
• Automotive electronics
• Portable devices
• Energy management systems

Package Options and Quality

STMicroelectronics offers the TS431AI in several package options to accommodate different design needs, including the small surface-mount SOT-23 package. The device is also characterized for lead-free reflow soldering processes, meeting modern environmental and manufacturing standards.

The TS431AI combines precision, flexibility, and reliability, making it a top choice for engineers and designers looking for a voltage reference solution that can deliver consistent performance across a range of applications.