onsemi

TL431ACLP

TL431ACLP Description

The TL431ACLP from onsemi is a precision shunt voltage reference IC designed for adjustable output voltage regulation. With an output range of 2.495V to 36V and a tight ±1% tolerance, it ensures high accuracy in voltage control applications. This obsolete but still widely used component operates with a 100 mA output current and features a low 50 ppm/°C typical temperature coefficient, making it stable across varying environmental conditions. Packaged in a TO-92-3 through-hole format, it is suitable for prototyping and industrial applications requiring reliable voltage referencing.

TL431ACLP Features

• Adjustable Output Voltage (2.495V–36V): Offers flexibility for diverse circuit requirements.
• High Precision (±1% Tolerance): Ensures consistent performance in critical applications.
• Low Temperature Drift (50 ppm/°C): Maintains stability across temperature fluctuations.
• Shunt Reference Type: Ideal for feedback control in power supplies.
• 100 mA Output Current: Supports moderate load demands.
• 1 mA Cathode Current: Enables low-power operation.
• Through-Hole (TO-92-3) Packaging: Easy to integrate into breadboards and PCBs.
• REACH Unaffected: Compliant with environmental regulations.

TL431ACLP Applications

The TL431ACLP excels in:

• Switching Power Supplies: Provides precise voltage feedback for regulation.
• Battery Chargers: Ensures accurate cutoff voltages for safe charging.
• Voltage Monitors: Detects over/under-voltage conditions in protection circuits.
• LED Drivers: Maintains consistent current/voltage levels.
• Industrial Control Systems: Used in analog feedback loops for stability.

Conclusion of TL431ACLP

The TL431ACLP remains a robust choice for engineers needing a high-precision, adjustable shunt voltage reference. Its wide voltage range, low drift, and ease of integration make it suitable for power management, industrial controls, and consumer electronics. While marked as obsolete, its reliability ensures continued use in legacy and cost-sensitive designs. For applications demanding accuracy and stability, the TL431ACLP delivers proven performance.