Product Overview: LM431BIM3 - Texas Instruments

The LM431BIM3 from Texas Instruments is a precision, adjustable shunt voltage regulator with an output voltage range that can be set to any value between 2.5V and 36V using two external resistors. This versatile three-terminal device is supplied in a small SOT-23 package, making it ideal for space-constrained applications.

Key Features

• Adjustable Output: Users can set the output voltage from 2.5V to 36V through the use of external resistors, providing flexibility across various applications.
• Low Output Noise: The LM431BIM3 ensures low output noise, which is crucial for sensitive electronics where stability is key.
• High Precision: It offers high precision with a typical output voltage tolerance of ±0.5% at 25°C, which is essential for reliable performance.
• Temperature Compensated: The device is temperature compensated, ensuring stable operation over a wide temperature range of -40°C to +85°C.
• Low Dynamic Output Impedance: The dynamic output impedance of 0.2 ohms (typical) allows for better load regulation, making it suitable for a variety of load conditions.

Applications

The LM431BIM3 is versatile and can be used in numerous applications such as:

• Adjustable power supplies
• Battery chargers
• Switching power supplies
• Precision voltage references
• Current limiters

Quality and Reliability

Texas Instruments is known for their commitment to quality and reliability. The LM431BIM3 is no exception, with its robust design and thorough testing ensuring that it meets the high standards expected from a leading semiconductor manufacturer.

Conclusion

For designers looking for a reliable, precise, and flexible voltage reference solution, the LM431BIM3 from Texas Instruments is an excellent choice. Its small form factor, combined with its wide voltage range and temperature-compensated design, makes it suitable for a wide array of electronic applications.