ON Semiconductor TL431CLPG Adjustable Precision Shunt Regulator

The TL431CLPG from ON Semiconductor is a versatile, three-terminal, adjustable precision shunt regulator that offers excellent performance in a wide array of applications. This device is designed to provide a reliable solution for voltage regulation, with the flexibility to be used in numerous circuit configurations including basic shunt regulators, series pass regulators, switching power supplies, and as a reference element.

The TL431CLPG features a guaranteed voltage reference accuracy of ±2.0% at 25°C and ±4.0% over the entire industrial temperature range of -40°C to +85°C. This precision is maintained over a wide current range from 1 mA to 100 mA, making the device suitable for a broad spectrum of uses. The output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with the use of two external resistors.

This shunt regulator is encapsulated in a TO-92 package, which is widely used for through-hole mounting, ensuring ease of integration into various circuit designs. The TL431CLPG also boasts a typical dynamic output impedance of 0.2 ohms, which contributes to stable voltage regulation and a high degree of noise immunity in the final application.

Safety and reliability are paramount in the design of the TL431CLPG, which includes features such as overcurrent protection and thermal stability over its full operating range. This makes the device an ideal choice for power supply or power management applications where consistent performance is essential.

With its combination of flexibility, precision, and reliability, the TL431CLPG adjustable precision shunt regulator from ON Semiconductor is an excellent choice for designers who require a high-performance voltage reference that is both easy to use and adaptable to a multitude of electronic applications. Whether you're designing power supplies, battery chargers, or voltage monitoring systems, the TL431CLPG stands out as a go-to component for maintaining precise voltage regulation.