The TLV431ACDR from Texas Instruments is a precision low-voltage shunt regulator that offers excellent stability and performance for a variety of applications requiring voltage regulation. This device is a three-terminal adjustable shunt regulator with a specified thermal stability over applicable automotive, commercial, and military temperature ranges.
The regulator features a low output voltage range from 1.24V to 16V, with an adjustable output voltage that can be set with two external resistors. The TLV431ACDR has a typical dynamic output impedance of 0.22 ohms. The low output voltage combined with a 1% initial voltage reference accuracy makes it ideal for precision applications.
With a wide operating current range from 1 mA to 100 mA, this component is versatile and can be used in various circuit configurations. The TLV431ACDR is capable of operating over a broad range of temperatures, from -40°C to 85°C, ensuring reliable performance in diverse environments.
This shunt regulator comes in a small-outline transistor (SOT-23) package, which is suitable for automated assembly processes and helps to save space on printed circuit boards. Its small size and low power consumption make it an excellent choice for portable and battery-powered applications.
Key features of the TLV431ACDR include its low minimum operating current, which helps to maintain regulation with minimal power loss. Additionally, the device offers excellent thermal stability and a fast turn-on response, which is critical for applications that require quick power-up sequences.
Applications for the TLV431ACDR are diverse and include adjustable voltage and current references, power supply monitors, and battery chargers. It's also commonly used in switch-mode power supplies, linear regulators, and digital-to-analog converters (DACs) where precision voltage regulation is crucial.
Overall, the TLV431ACDR from Texas Instruments is a reliable and flexible solution for designers looking to incorporate a high-performance, adjustable shunt regulator into their electronic systems.