The LM431CIM/NOPB is a precision adjustable shunt regulator manufactured by Texas Instruments. This versatile device is designed to offer a flexible solution for regulating voltage and maintaining stability in a wide array of electronic applications. With its adjustable output voltage that can be set to any value between 2.5 V and 36 V, the LM431CIM/NOPB is ideal for power supplies, switching power supplies, and on-board regulation.

Key Features

• Voltage Range: The LM431CIM/NOPB offers an adjustable output voltage, ranging from 2.5 V to 36 V, which can be set with two external resistors.
• Temperature Stability: Engineered for high reliability, it features impressive temperature stability over its entire operating temperature range.
• Low Dynamic Output Impedance: Its low dynamic output impedance, combined with a fast turn-on response, provides excellent transient response characteristics.
• Reference Voltage Tolerance: The device exhibits a typical reference voltage tolerance of ±0.5%, ensuring precise voltage regulation for sensitive components.
• Packaging: The LM431CIM/NOPB comes in a surface-mount SOIC-8 package, which is RoHS compliant and is designated with the "NOPB" suffix to indicate it is lead-free.

Applications

The LM431CIM/NOPB is a versatile component that finds its use in a multitude of applications. It is commonly employed in:

• Adjustable voltage or current linear regulators
• Switching power supplies
• Network interface devices
• Precision current limiters
• Battery chargers
• Motor control circuits

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the LM431CIM/NOPB is no exception. It is designed to meet the stringent requirements of the most demanding applications. The device is characterized for operation from -40°C to 85°C, ensuring reliable performance under a wide range of environmental conditions.

Environmental Compliance

The "NOPB" designation in the product number indicates that this device is produced without the use of lead, making it compliant with RoHS regulations. This demonstrates Texas Instruments' dedication to environmental sustainability and its efforts to reduce hazardous substances in electronic components.