The LM431BIM3/NOPB is a precision adjustable shunt regulator from Texas Instruments, designed to cater to a wide array of voltage regulation requirements. This versatile three-terminal device is a staple in the industry, known for its reliability and flexibility in various applications including power supplies, battery chargers, and voltage monitoring systems.

Key Features

• Voltage Range: The LM431BIM3/NOPB can be programmed from a reference voltage of 2.495 volts to 36 volts with two external resistors.
• Temperature Stability: It offers exceptional temperature stability over the entire temperature range of operation.
• Tolerance Accuracy: The device is available in two tolerance levels, 1% and 0.5%, allowing for precise voltage regulation and control.
• Surface-Mount Package: The NOPB (No Lead Plating) designates that the device is provided in a surface-mount package, which is RoHS compliant and suitable for automated assembly processes.
• Low Output Noise: It is known for its low output noise, which makes it ideal for sensitive electronic applications.
• Extended Operating Temperature Range: The device operates over an extended industrial temperature range, making it suitable for harsh environments.

Applications

The LM431BIM3/NOPB is a highly versatile component that can be used in various applications due to its adjustable voltage capability and precision. Its primary uses include:

• Adjustable Voltage and Current Reference
• Voltage Monitoring
• Switching Power Supplies
• Digital Voltmeters
• Op-Amp Circuitry
• Battery Chargers
• Automotive Electronics

Quality and Reliability

Texas Instruments is renowned for its commitment to quality and reliability, and the LM431BIM3/NOPB is no exception. This component is designed to meet the stringent requirements of the most demanding electronic systems, ensuring long-term performance and stability.