ON Semiconductor TL431CDMR2 Adjustable Precision Shunt Regulator

The ON Semiconductor TL431CDMR2 is a versatile three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. This precision voltage reference is designed to be a high-performance alternative to zener diodes in a variety of applications, providing an output voltage range from 2.495 V to 36 V with two external resistors. The device offers excellent temperature stability and output current handling capability up to 100 mA with a typical dynamic impedance of 0.2 ohms.

The TL431CDMR2 is commonly used in power supplies, battery chargers, and voltage monitoring applications due to its ease of use and improved system accuracy. It features a low output noise voltage, which makes it ideal for precision applications. The device's flexibility is further enhanced by its capability to operate in a wide range of operating temperatures, from -40°C to +85°C, ensuring reliability and performance under various environmental conditions.

Engineered with ON Semiconductor's quality and performance standards, the TL431CDMR2 comes in a compact surface-mount package, making it suitable for automated assembly processes and saving board space in dense circuit designs. The SOT-23 package is not only space-efficient but also offers good thermal performance, ensuring the device operates within its temperature specifications even under high load conditions.

Key features of the TL431CDMR2 include:

• Adjustable output voltage from 2.495 V to 36 V
• Typical dynamic impedance of 0.2 ohms
• Maximum output current of 100 mA
• Low output noise for precision applications
• Wide operating temperature range (-40°C to +85°C)
• Compact SOT-23 package for space-saving designs

With its combination of flexibility, reliability, and precision, the TL431CDMR2 adjustable shunt regulator from ON Semiconductor is an excellent choice for designers seeking a robust voltage reference solution. Whether it's for power supply regulation, voltage monitoring, or as a replacement for zener diodes, this device provides a high level of performance that enhances the overall stability and efficiency of electronic systems.