Product Overview: TL431AQDBZTG4 by Texas Instruments

The TL431AQDBZTG4 is a precision programmable reference from Texas Instruments, renowned for its flexibility and reliability in voltage regulation applications. This three-terminal adjustable shunt regulator offers excellent temperature stability and output current handling capability, making it a versatile component for a wide range of electronic circuits.

With a nominal voltage reference of 2.495 volts, the TL431AQDBZTG4 can be programmed with two external resistors to provide any voltage over a range from 2.495 volts to 36 volts. This allows designers to customize the output voltage to meet specific requirements, providing a tailored solution for various applications.

The device features a guaranteed reference accuracy of ±1% at 25°C and ±2% over the entire operating temperature range of -40°C to 125°C. This precision ensures consistent performance even under fluctuating environmental conditions. The TL431AQDBZTG4 is capable of sourcing or sinking up to 100 mA of output current, which is sufficient for most reference and regulator applications.

One of the key benefits of the TL431AQDBZTG4 is its low output noise, which is critical for sensitive electronics where noise can affect performance. Additionally, the device's low dynamic output impedance provides stable reverse voltage, contributing to overall system reliability.

The TL431AQDBZTG4 is offered in a small SOT-23 package, making it ideal for space-constrained applications. Its small form factor, combined with its power capabilities, allows it to be used in various electronic products, including portable devices, power supplies, and battery chargers.

As a testament to its versatility, the TL431AQDBZTG4 is widely used in a range of applications, including voltage regulation modules, adjustable power supplies, switching power supplies, and as a precision current limiter in battery chargers. Its robust design and high performance make it a go-to solution for engineers looking for a reliable voltage reference or regulator component.

Overall, the TL431AQDBZTG4 is a high-quality, adjustable shunt regulator that offers precision, stability, and flexibility, making it a valuable addition to Texas Instruments' extensive portfolio of voltage regulation products.