The recommended operating temperature range for the ATL431LIBQDQNR is -40°C to 125°C. However, it's essential to note that the device can operate up to 150°C for short periods, but this may affect its reliability and lifespan.
To ensure proper biasing, connect the REF pin to a stable voltage source (e.g., a voltage regulator or a resistive divider) between 2.5V and 36V. The cathode (K) pin should be connected to a current source or a resistive load. The anode (A) pin should be connected to the output of the voltage regulator or the load being regulated.
The ATL431LIBQDQNR can handle a maximum current of 100mA. However, it's recommended to keep the current below 50mA for optimal performance and to prevent overheating.
The resistor values depend on the specific application and the desired output voltage. A general rule of thumb is to choose R1 and R2 such that the voltage at the REF pin is between 2.5V and 36V. TI provides a resistor calculator tool to help with the selection process.
The ATL431LIBQDQNR is not designed for high-frequency applications. It's primarily intended for low-frequency voltage regulation and monitoring. If you need a high-frequency voltage reference, consider using a different device, such as the TL431 or the REF5025.
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ATL431LIBQDQNR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
