TL431BQDBZRE4 Precision Programmable Reference

The TL431BQDBZRE4 from Texas Instruments is a highly versatile three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This precision programmable reference is often utilized in a wide array of applications, including power supplies, battery chargers, and voltage monitoring systems.

Key Features:

• Adjustable Output Voltage: The device offers an output voltage range from 2.495 V to 36 V, which can be set with two external resistors.
• Low Output Noise: It is designed to maintain low noise levels, which is crucial for sensitive electronics and precision applications.
• High Accuracy: The TL431BQDBZRE4 provides a typical output voltage tolerance of ±0.5%, ensuring reliable and consistent performance.
• Low Dynamic Output Impedance: The 0.2 Ohm typical output impedance enhances load regulation and minimizes voltage variation across different loads.
• Temperature Compensated: The device includes temperature compensation, which allows it to maintain voltage stability across a wide temperature range, making it suitable for harsh environments.

Package and Quality:

The TL431BQDBZRE4 is offered in a small outline transistor (SOT-23) package, which is ideal for space-constrained applications. The device is also characterized for operation from −40°C to +125°C, ensuring reliable performance in automotive and industrial applications.

Applications:

• Switching power supplies
• Linear power supplies
• Adjustable power supplies
• Battery chargers
• Automotive systems
• Voltage monitoring

The TL431BQDBZRE4 is a testament to Texas Instruments' commitment to high-quality, durable, and flexible components that meet the stringent requirements of a wide range of electronic systems. Its ease of use, coupled with its precise voltage regulation capabilities, makes it an essential part of any power management solution.