ON Semiconductor TL431ACLPRPG Precision Programmable Reference

The TL431ACLPRPG from ON Semiconductor is a versatile, precision programmable voltage reference that can be set to any value between Vref (approximately 2.495 volts) and 36 volts with two external resistors. This integrated circuit (IC) is designed to provide a stable reference voltage for various applications, including power supplies, battery chargers, and voltage monitors.

With its three-terminal adjustable shunt regulator configuration, the TL431ACLPRPG offers excellent temperature stability and low output noise, making it suitable for high-precision electronics. Its output voltage can be set to the desired level with the use of two resistors, offering designers flexibility and precision in their circuit designs.

The device features a typical dynamic output impedance of 0.2 ohms, ensuring a stable output even with load variations. The low output noise and the ability to sink up to 100 mA of output current make the TL431ACLPRPG a reliable choice for demanding applications where a stable reference voltage is critical.

This IC is characterized for operation from -40°C to +85°C, making it suitable for use in a wide range of environments. The TL431ACLPRPG is offered in a TO-92 package, which is widely used and easy to implement in various circuit layouts. Its industry-standard design ensures compatibility with many existing systems and ease of replacement or upgrade.

Key features of the TL431ACLPRPG include:

• Programmable output voltage from 2.495 V to 36 V
• Low dynamic output impedance: 0.2 ohms typical
• Sink current capability: 1 mA to 100 mA
• Typical temperature stability of less than 50 ppm/°C
• Fast turn-on response
• Standard TO-92 package for ease of integration

With its high reliability and precision, the TL431ACLPRPG from ON Semiconductor is an excellent choice for designers seeking a flexible and accurate voltage reference solution. Whether used in power supply circuits, analog-to-digital converters, or other sensitive electronic applications, this IC ensures consistent performance and enhances the overall stability of the system.