The TL431BQDBZRG4 from Texas Instruments is a highly precise programmable voltage reference, part of the TL431 series, which has become a staple in the industry for voltage regulation and precision reference applications. This three-terminal adjustable shunt regulator offers excellent temperature stability and output current handling capabilities, making it an ideal choice for a wide range of electronic circuits.

Key Features

• Voltage Range: The device offers a broad programmable output voltage range from 2.495 V to 36 V, providing flexibility for various design requirements.
• Precision: The TL431BQDBZRG4 features a typical output voltage tolerance of 0.5%, ensuring reliable and consistent performance for precision applications.
• Temperature Stability: With a temperature coefficient typically at 50 ppm/°C, the reference maintains its accuracy across a wide temperature range, from -40°C to +125°C.
• Low Output Noise: It provides a low output noise characteristic, which is crucial for sensitive electronics where noise can impact performance.
• Current Capability: The device can handle output currents from 1 mA to 100 mA, accommodating a variety of loads.
• Package: It comes in a DBZ package, a small surface-mount package that is optimal for space-constrained applications.

Applications

The TL431BQDBZRG4 is a versatile component that can be used in numerous applications. It is commonly employed in power supplies as a reference voltage source, error amplifier, or for voltage monitoring. Additionally, it's suitable for battery chargers, switch-mode power supplies, and adjustable voltage or current regulators. Its precision and stability also make it an excellent choice for use in temperature or current sensing applications.

Quality and Reliability

As with all Texas Instruments products, the TL431BQDBZRG4 is designed to meet high-quality standards, with rigorous testing to ensure reliability in various conditions. The device is RoHS compliant and is designed for long-term performance, making it a trusted component for both commercial and industrial applications.