ON Semiconductor TL431ILPRPG: Precision Programmable Reference

The ON Semiconductor TL431ILPRPG is a versatile, precision programmable voltage reference that can be set to any value between 2.495 and 36 volts using two external resistors. This three-terminal adjustable shunt regulator comes in a TO-92 package and is widely used in various applications, including power supplies, battery chargers, and voltage monitors due to its ease of use and high accuracy.

Key Features

• Programmable Output Voltage: The TL431ILPRPG offers an adjustable output voltage that can be programmed from 2.495 V to 36 V through the use of external resistors. This flexibility allows designers to cater to a wide range of voltage requirements within a single component.
• Low Output Noise: It features a low output noise characteristic, making it suitable for precision applications where a stable reference voltage is crucial.
• High Stability: The device provides excellent thermal stability and a typical temperature coefficient of only 50 ppm/°C, ensuring consistent performance over a wide temperature range.
• Low Dynamic Output Impedance: A low dynamic output impedance of 0.2 ohms enhances load regulation and ensures stable voltage supply regardless of load variations.
• Wide Operating Current Range: The TL431ILPRPG operates with a current range from 1 mA to 100 mA, making it versatile for different current demands.
• Standard TO-92 Package: Housed in a commonly used TO-92 package, it is easy to integrate into various circuit designs without requiring specialized mounting or handling.

Applications

• Adjustable power supplies
• Battery chargers
• Switching power supplies
• Voltage monitoring
• Motor control systems
• Automotive electronics

The ON Semiconductor TL431ILPRPG is a reliable and precise voltage reference that offers designers a high degree of flexibility and performance for their electronic circuits. Whether you are developing a sophisticated industrial power system or a simple consumer electronic device, the TL431ILPRPG provides a cost-effective solution for a stable and adjustable voltage reference.