The TL431BIDRG4 from Texas Instruments is a versatile and precision programmable reference that functions as a low voltage zener with a 0.5% tolerance. Designed to be highly flexible, this device can be used in a wide array of applications, ranging from power supplies to voltage monitoring. Its three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges makes it a reliable choice for critical applications.

Key Features

• Voltage Range: The TL431BIDRG4 has an output voltage range of 2.495 V to 36 V, which can be set with two external resistors.
• High Accuracy: With a 0.5% tolerance at 25°C and 1% overall accuracy over the full temperature range, the device ensures precise voltage regulation.
• Low Output Noise: It features a typical output impedance of 0.2 ohms, contributing to low output noise and excellent signal integrity.
• Stability: The device is guaranteed stable with all capacitive loads, making it highly versatile and easy to implement in various designs.
• Temperature Compensated: The TL431BIDRG4 offers temperature-compensated voltage reference and excellent temperature characteristics, ensuring consistent performance across a range of conditions.
• Package: It comes in a small-outline transistor (SOT-23) package, which is suitable for automated surface-mount assembly processes and helps to save board space.

Applications

The TL431BIDRG4 is commonly used in numerous applications due to its flexibility and high performance. It's ideal for use in power supplies, whether as a voltage reference, error amplifier, or a means to set a voltage threshold. Additionally, it is suitable for voltage regulation tasks in battery chargers, switch-mode power supplies, and linear regulators. The device can also be used as a replacement for zener diodes in many applications requiring an improvement in zener performance.

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the TL431BIDRG4 is no exception. It is designed and manufactured to meet the stringent requirements of the automotive industry, and it is fully qualified for automotive applications. This ensures that the device you are integrating into your system is robust and dependable, even under harsh conditions.