Product Overview: LM431CIMX/NOPB

The LM431CIMX/NOPB is a precision, adjustable shunt regulator from Texas Instruments (TI), a leader in semiconductor solutions. This integrated circuit (IC) is designed to provide a stable reference voltage and drive varying loads with excellent accuracy. It is a versatile component widely used in power supplies, battery chargers, and voltage monitoring applications.

Key Features

• Adjustable Output Voltage: The LM431CIMX/NOPB offers an adjustable output voltage range from 2.5 V to 36 V, allowing for great flexibility in application design.
• Low Temperature Coefficient: With a typical temperature coefficient of only 50 ppm/°C, this device provides a stable reference under varying temperature conditions.
• High Precision: The reference voltage tolerance is set at 2% for the B grade, ensuring precise operation for critical applications.
• Low Dynamic Output Impedance: The dynamic output impedance is typically 0.2 ohms, providing good transient response and minimal deviation under load changes.
• Surface-Mount Package: The IC is available in an SOIC-8 package, making it suitable for automated assembly processes and space-constrained applications.
• Green Product: The LM431CIMX/NOPB is designated as a "green" product, which means it is lead-free and compliant with RoHS (Restriction of Hazardous Substances) regulations.

Applications

The LM431CIMX/NOPB is highly versatile and can be used in a variety of applications that require a stable and adjustable voltage reference:

• Switching power supplies
• Linear power supplies
• DC-DC converters
• Battery chargers
• Voltage monitoring circuits
• Adjustable voltage or current regulators

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM431CIMX/NOPB is no exception. It is designed to meet the stringent requirements of industrial and commercial applications, ensuring long-term stability and performance. With its robust design and TI's reputation for quality, this shunt regulator is an ideal choice for designers looking for a reliable voltage reference solution.