onsemi

LM431BCM

LM431BCM Description

The LM431BCM is a precision programmable voltage reference from onsemi, designed to provide a stable and accurate reference voltage in a wide range of electronic applications. This device features an adjustable output voltage ranging from 2.495V to 36V, making it highly versatile for various circuit designs. The LM431BCM is housed in an 8-pin SOIC package, which is suitable for surface-mount applications, ensuring ease of integration into modern electronic systems.

LM431BCM Features

• Adjustable Output Voltage: The LM431BCM offers an adjustable output voltage range from 2.495V to 36V, providing flexibility to meet specific design requirements.
• High Precision: With a tolerance of ±1%, the LM431BCM ensures high accuracy in voltage reference applications.
• Low Temperature Coefficient: The device has a typical temperature coefficient of 50ppm/°C, ensuring stable performance across a wide temperature range.
• High Output Current: Capable of delivering up to 100 mA of output current, the LM431BCM can support demanding applications requiring higher current loads.
• Surface Mount Compatibility: The 8-pin SOIC package is ideal for surface-mount technology (SMT), facilitating easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LM431BCM is suitable for use in environments with varying humidity levels without the need for special handling precautions.
• Compliance: The LM431BCM is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

LM431BCM Applications

The LM431BCM is well-suited for a variety of applications where precise voltage references are required. Some specific use cases include:

• Power Supplies: Ideal for use in linear and switching power supplies to provide a stable reference voltage for regulation.
• Analog-to-Digital Converters (ADCs): Enhances the accuracy of ADCs by providing a precise reference voltage, improving overall system performance.
• Digital-to-Analog Converters (DACs): Ensures accurate output levels in DACs by offering a stable reference voltage.
• Battery Management Systems: Provides a reliable reference voltage for monitoring and managing battery charge levels.
• Industrial Control Systems: Ensures precise control in various industrial applications, such as motor control and process control systems.

Conclusion of LM431BCM

The LM431BCM from onsemi is a versatile and high-performance voltage reference IC that offers a wide adjustable output voltage range, high precision, and low temperature coefficient. Its surface-mount package and high output current capability make it suitable for a broad range of applications, from power supplies to industrial control systems. Despite being marked as obsolete, the LM431BCM remains a reliable choice for engineers seeking a stable and accurate voltage reference in their designs.