Microsemi

TL431ACLP

TL431ACLP Description

The TL431ACLP by Microsemi Corporation is a precision adjustable shunt voltage reference integrated circuit (IC) designed for power management applications. With an output voltage range of 2.5V to 36V and a ±1% tolerance, it delivers high accuracy and stability. The device operates within a 0°C to 70°C (TA) temperature range and features a low 30ppm/°C typical temperature coefficient, ensuring reliable performance under varying thermal conditions. Packaged in a TO-92-3 through-hole format, it is suitable for prototyping and industrial applications. Although marked as obsolete, it remains a robust choice for legacy designs due to its REACH compliance and 100mA output current capability.

TL431ACLP Features

• Adjustable Output Voltage: Programmable from 2.5V to 36V via external resistors.
• High Precision: ±1% tolerance ensures consistent voltage regulation.
• Low Temperature Drift: 30ppm/°C typical enhances stability across operating temperatures.
• Shunt Reference Architecture: Enables flexible integration in feedback circuits.
• Wide Operating Current: 1mA to 100mA cathode current supports diverse load conditions.
• Through-Hole Package (TO-92-3): Simplifies mounting and prototyping.
• Moisture Sensitivity Level (MSL) 1: Suitable for unlimited shelf life and handling.

TL431ACLP Applications

• Voltage Regulation: Ideal for switch-mode power supplies (SMPS) and linear regulators.
• Error Amplification: Used in feedback control loops for precision voltage monitoring.
• Battery Management: Ensures stable reference voltages in charging circuits.
• Industrial Electronics: Deployed in sensor interfaces and analog signal conditioning.
• Legacy System Maintenance: A reliable choice for obsolete equipment repairs due to its discontinued status.

Conclusion of TL431ACLP

The TL431ACLP stands out for its adjustability, precision, and thermal stability, making it a versatile component in power management systems. While newer alternatives exist, its proven performance in voltage regulation and error amplification ensures continued relevance in industrial and legacy applications. Engineers seeking a cost-effective, high-accuracy shunt reference with easy integration will find this IC a dependable solution.