Microsemi

TL431CDM

TL431CDM Description

The TL431CDM is an adjustable shunt voltage reference IC designed by Microsemi Corporation, known for its precision and reliability in a wide range of electronic applications. This device features an adjustable output voltage range from 2.5V to 36V, making it highly versatile for various power supply and voltage regulation needs. The TL431CDM offers a maximum output current of 100 mA, ensuring robust performance in demanding circuits. Its temperature coefficient is rated at 30ppm/°C typical, providing stable operation across a broad temperature range of 0°C to 70°C. The device is housed in a surface-mount 8SOIC package, which is both compact and suitable for high-density PCB layouts. Despite being marked as obsolete, the TL431CDM remains a reliable choice for engineers seeking a proven voltage reference solution.

TL431CDM Features

• Adjustable Output Voltage: The TL431CDM provides an adjustable output voltage range from 2.5V to 36V, offering flexibility in various circuit designs.
• High Output Current Capability: With a maximum output current of 100 mA, this IC can support a wide range of load requirements.
• Low Temperature Coefficient: The typical temperature coefficient of 30ppm/°C ensures stable performance across the operating temperature range of 0°C to 70°C.
• High Precision: The TL431CDM features a tolerance of ±2%, making it suitable for applications requiring high accuracy.
• Surface-Mount Package: The 8SOIC package is ideal for surface-mount technology (SMT), allowing for compact and efficient PCB designs.
• Shunt Reference Type: As a shunt reference, the TL431CDM can be easily integrated into voltage regulation circuits, providing a stable reference voltage.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, ensuring reliability in various environmental conditions.
• Compliance: The TL431CDM is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

TL431CDM Applications

The TL431CDM is ideal for a variety of applications where a stable and precise voltage reference is required. Some specific use cases include:

• Power Supply Circuits: The adjustable output voltage and high output current capability make the TL431CDM suitable for voltage regulation in power supply designs.
• Battery Management Systems: The device's wide operating voltage range and low temperature coefficient ensure reliable performance in battery monitoring and management applications.
• Analog-to-Digital Converters (ADCs): The high precision and stability of the TL431CDM make it an excellent reference voltage source for ADCs, ensuring accurate signal conversion.
• Precision Voltage Measurement: The ±2% tolerance and low temperature coefficient make the TL431CDM ideal for precision voltage measurement applications, providing reliable and accurate results.
• Industrial Control Systems: The robust design and wide operating temperature range make the TL431CDM suitable for industrial control systems where reliability and stability are critical.

Conclusion of TL431CDM

The TL431CDM is a versatile and reliable adjustable shunt voltage reference IC that offers a wide range of technical specifications and performance benefits. Its adjustable output voltage, high output current capability, and low temperature coefficient make it suitable for a variety of applications, from power supply circuits to precision voltage measurement. Despite being marked as obsolete, the TL431CDM remains a trusted choice for engineers seeking a proven and reliable voltage reference solution. Its compact surface-mount package and compliance with international regulations further enhance its appeal for modern electronic designs.