The NXP TL431SDT is a three-terminal adjustable precision shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This semiconductor device acts as a voltage reference or a zener-like regulator for applications requiring precision and high reliability.

Key Features

• Voltage Range: The TL431SDT offers a wide voltage range of 2.5V to 36V, which can be set by two external resistors.
• High Precision: With an output voltage precision of 0.5%, this device ensures accurate voltage regulation, making it ideal for precision applications.
• Low Output Noise: It features low output noise, which is crucial for maintaining signal integrity in sensitive electronic applications.
• Temperature Compensated: The device is temperature compensated, ensuring stable operation over a wide range of temperatures.
• Low Dynamic Output Impedance: Its low dynamic output impedance provides better load regulation and reduces voltage fluctuation.

Applications

The TL431SDT is versatile and can be used in a variety of applications, such as:

• Power supplies
• Battery chargers
• Voltage monitors
• Adjustable regulators
• Switching power supplies

Package and Quality

Encased in a small-outline transistor (SOT) package, the TL431SDT is designed for surface-mount technology, allowing for efficient assembly and space-saving PCB design. NXP's commitment to quality ensures that this device meets stringent industry standards for performance and reliability.

Conclusion

Whether you're designing a new power supply or looking to enhance an existing design, the NXP TL431SDT adjustable precision shunt regulator is an excellent choice for maintaining voltage accuracy and stability. With its robust feature set and flexible application range, it stands as a go-to component for engineers requiring a reliable voltage reference solution.