STMicroelectronics

TL1431IZ

TL1431IZ Description

The TL1431IZ from STMicroelectronics is a high-precision, adjustable shunt voltage reference IC designed for demanding applications requiring stable voltage regulation. Housed in a TO-92-3 package, this device offers an adjustable output voltage range from 2.5V to 36V with a tight tolerance of ±0.4%, ensuring exceptional accuracy. Its 100mA output current capability and 100ppm/°C temperature coefficient make it suitable for environments with varying thermal conditions. The TL1431IZ operates as a shunt regulator, providing flexibility in circuit design while maintaining low cathode current (1mA), enhancing efficiency in power-sensitive applications.

TL1431IZ Features

• Adjustable Output Voltage: Configurable from 2.5V to 36V, enabling versatile use across multiple voltage requirements.
• High Precision: ±0.4% tolerance ensures reliable performance in precision-critical systems.
• Low Temperature Drift: 100ppm/°C coefficient minimizes output variations across temperature fluctuations.
• Shunt Reference Architecture: Simplifies circuit integration and offers design flexibility.
• Robust Construction: Through-hole mounting (TO-92-3) and ROHS3 compliance meet industry standards for durability and environmental safety.
• Wide Operating Range: Supports 100mA output current, making it ideal for both low and moderate power applications.

TL1431IZ Applications

The TL1431IZ excels in applications requiring stable voltage references, such as:

• Power Supplies: Precision voltage regulation in DC-DC converters and linear regulators.
• Battery Management Systems: Voltage monitoring and cutoff circuits for enhanced safety.
• Industrial Control Systems: Reliable reference for analog-to-digital converters (ADCs) and sensors.
• Automotive Electronics: Stable voltage sourcing for infotainment and control modules.
• Test & Measurement Equipment: Calibration and reference voltage generation for high-accuracy instruments.

Conclusion of TL1431IZ

The TL1431IZ stands out as a versatile, high-performance shunt voltage reference, combining precision, adjustability, and thermal stability. Its robust design and wide operating range make it a preferred choice for engineers in power management, industrial automation, and automotive systems. With STMicroelectronics' reputation for quality, this IC delivers reliability for mission-critical applications where voltage accuracy is paramount.