The TL431IZT from STMicroelectronics is a three-terminal adjustable precision shunt regulator that offers excellent stability and regulation over a wide range of operating conditions. This versatile component is commonly used in various applications, including power supplies, battery chargers, and voltage monitoring circuits.

Key Features

• Voltage Reference: The TL431IZT provides a reference voltage range from 2.495 V to 36 V, which can be set with external resistors. This allows for flexibility in design and the ability to use the device in a multitude of applications.
• High Precision: This device boasts a typical output voltage tolerance of ±0.5%, ensuring high accuracy for sensitive circuits.
• Low Operational Current: With an operational current range between 1 mA to 100 mA, the TL431IZT is suitable for low-power applications and helps to maintain energy efficiency.
• Temperature Stability: Its excellent temperature stability, with a typical drift coefficient of 50 ppm/°C, ensures reliable performance across a wide temperature range.
• Package: The TL431IZT comes in a TO-92 package, which is widely used and easy to handle in various circuit board layouts.

Applications

The TL431IZT is a versatile component that can be integrated into numerous electronic systems. Some of the common applications include:

• Switching power supplies
• Linear power supplies
• Adjustable power supplies
• On-board regulation
• Charge controllers for batteries
• Voltage monitoring

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the TL431IZT is no exception. This shunt regulator is designed to meet the stringent requirements of industrial and consumer electronic products, ensuring long-term stability and performance.

Conclusion

Whether you're designing a new power supply or looking to improve an existing design, the TL431IZT adjustable precision shunt regulator is a reliable choice that combines flexibility, precision, and efficiency. Its wide voltage reference range, high accuracy, and temperature stability make it an ideal choice for designers seeking a high-performance voltage regulation solution.