ON Semiconductor TL431BIDMR2G Precision Programmable Reference

The ON Semiconductor TL431BIDMR2G is a versatile, precision programmable voltage reference that can be set to any value between the reference voltage (2.495 V) and 36 volts with two external resistors. This integrated circuit is designed to provide a stable reference voltage for a wide range of applications, including power supplies, battery chargers, and voltage monitoring systems.

This three-terminal adjustable shunt regulator is available in a small surface-mount package and is characterized for operation from -40°C to +85°C. The TL431BIDMR2G offers excellent temperature stability and output current handling capability up to 100 mA. Its low output noise and low dynamic output impedance ensure a stable, low-noise voltage reference suitable for precision applications.

Key Features:

• Programmable Output Voltage: Adjustable from 2.495 V to 36 V with two external resistors.
• High Stability: Offers excellent stability over temperature, with a typical drift of only 50 ppm/°C.
• Low Output Noise: Suitable for noise-sensitive electronic systems.
• High Accuracy: Features a typical output voltage tolerance of ±0.5%.
• Wide Operating Temperature Range: Functional across a broad range of temperatures from -40°C to +85°C, making it ideal for industrial applications.
• Surface-Mount Package: Available in a small SOT-23 package, perfect for space-constrained applications.
• Output Current Capability: Capable of sourcing or sinking up to 100 mA of output current.

The TL431BIDMR2G's performance and flexibility make it an excellent choice for a wide variety of applications that require a precise voltage reference. Its ease of use and high degree of adjustability help designers to achieve the desired voltage levels with high accuracy and minimal external components. Whether it's for power supply design, voltage monitoring, or any other system requiring a stable reference voltage, the TL431BIDMR2G from ON Semiconductor is a reliable and cost-effective solution.

With its combination of features, the TL431BIDMR2G is an essential component for engineers looking to design robust and precise electronic systems.