Product Overview: Texas Instruments TL431BQDBVTE4

The TL431BQDBVTE4 from Texas Instruments is a three-terminal adjustable shunt regulator with a specified thermal stability over applicable automotive, commercial, and military temperature ranges. This versatile component can be used in a wide array of applications, from adjustable voltage references to precision current limiters, making it a staple in the design of power supplies, battery chargers, and other electronics.

Key Features

• Adjustable Output Voltage: The TL431BQDBVTE4 offers an output voltage range from 2.495 V to 36 V, which can be set by two external resistors.
• Low Output Noise: It features a low output noise characteristic, which is crucial for sensitive electronics applications.
• High Stability: The device is characterized for operation from -40°C to 125°C, ensuring reliable performance under a wide range of temperature conditions.
• Low Dynamic Output Impedance: Its dynamic output impedance of 0.22 Ω with a typical output impedance of 0.5 Ω provides stable reverse voltage throughout the operating range.
• Reference Voltage Tolerance: At 25°C, the reference voltage tolerance is typically ±0.5% (B Grade).

Applications

• Power Supplies: It is commonly used in power supplies to provide a stable reference voltage and to regulate the output.
• Battery Chargers: The TL431BQDBVTE4 can be used to precisely control charging voltages and currents in battery charger applications.
• Voltage Monitoring: The device is suitable for voltage monitoring in various electronic systems, ensuring that the voltage levels remain within safe limits.
• Adjustable Voltage Reference: Its adjustable nature makes it ideal for creating a custom voltage reference in electronic circuits.

Quality and Reliability

As with all Texas Instruments products, the TL431BQDBVTE4 is manufactured to the highest quality standards, ensuring that it meets the rigorous requirements of the automotive and industrial markets. The device is offered in a small SOT-23-5 package, optimizing space on printed circuit boards and making it suitable for compact electronic assemblies.

Overall, the TL431BQDBVTE4 is a highly reliable and versatile component that provides designers with a cost-effective solution for voltage regulation and reference needs in a multitude of applications.