The TL431CLPR from Texas Instruments is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This versatile device is a staple in the industry, known for its reliability and flexibility in various applications.
With an output voltage range that can be set to any value between Vref (approximately 2.5 volts) and 36 volts with two external resistors, the TL431CLPR provides excellent design flexibility. This feature makes it extremely useful for a wide array of uses, including adjustable power supplies, switching power supplies, and as a precision current regulator by itself or with an op-amp.
The device features a typical output impedance of 0.2 ohms, which is a testament to its ability to maintain a stable output voltage despite variations in load. Active output circuitry provides a very sharp turn-on characteristic, making the TL431CLPR an excellent replacement for zener diodes in many applications such as onboard regulation, adjustable power supplies, and switching power supplies.
The TL431CLPR is offered in a TO-92 package, which is both compact and efficient for space-constrained applications. This package type is widely used and favored for its ease of integration into various circuit designs. The product operates over a wide current range of 1.0 to 100 mA with a typical dynamic impedance of 0.22 ohms, ensuring that it can handle a broad spectrum of conditions and requirements.
In terms of performance, the TL431CLPR boasts a low output noise voltage for a quiet operation, which is crucial in sensitive electronic applications. The device's fast turn-on response is ideal for applications requiring a quick power-up sequence.
Texas Instruments' commitment to quality ensures that the TL431CLPR is a reliable component for any design engineer looking to create a stable and adjustable power regulation system. Its industry-standard design, combined with Texas Instruments' manufacturing expertise, results in a product that is both high performing and dependable.
