The TLVH431AQLPE3 is a low-voltage, high-precision shunt voltage regulator from Texas Instruments. This versatile device features a guaranteed reference voltage accuracy at 25°C and over the full operating temperature range. The TLVH431AQLPE3 is designed to be flexible and reliable, making it an ideal choice for power management solutions in a wide range of applications.

Key Features

• Adjustable Output Voltage: This regulator offers an adjustable output voltage from Vref to 18 V, with a typical dynamic impedance of 0.22 Ω, ensuring versatility across various applications.
• Low Reference Voltage: The TLVH431AQLPE3 operates at a reference voltage of 1.24 V, which allows for low-voltage operation, suitable for battery-operated and portable devices.
• High Accuracy: It boasts an impressive 0.5% tolerance at 25°C for the A grade and 1% over the full operating temperature range, providing precise voltage regulation for critical applications.
• Wide Operating Temperature Range: The device is functional over an extended temperature range from −40°C to 125°C, accommodating diverse environmental conditions.

Applications

The TLVH431AQLPE3 is particularly useful in applications where high precision voltage regulation is crucial. These include:

• Power supplies for portable electronics
• Adjustable voltage references in data converters
• Voltage monitoring in battery chargers and power management systems
• Consumer, commercial, and industrial electronics

Package and Quality

The device is offered in a small outline transistor (SOT-89) package, which is ideal for space-constrained applications. It also features an extended product life cycle and enhanced system reliability, thanks to Texas Instruments' commitment to quality and long-term availability.

Conclusion

In summary, the TLVH431AQLPE3 from Texas Instruments is a highly precise, adjustable shunt regulator that offers excellent performance across a range of voltages and temperatures. Its low reference voltage and high accuracy make it a suitable choice for any application requiring a reliable and flexible voltage regulation solution.