The recommended operating temperature range for the TL431BQDCKTE4 is -40°C to 125°C. However, it's essential to note that the device's performance may vary outside the typical operating temperature range of 0°C to 70°C.
To ensure stability, it's crucial to follow proper PCB layout practices, such as keeping the input and output capacitors close to the device, using a low-ESR output capacitor, and minimizing the length of the feedback loop. Additionally, the datasheet recommends a minimum output capacitor value of 10uF.
The maximum allowed voltage on the REF pin is 36V. Exceeding this voltage can damage the device. It's essential to ensure that the voltage on the REF pin is within the recommended range to maintain the device's accuracy and reliability.
While the TL431BQDCKTE4 is primarily a voltage reference, it can be used as a voltage regulator in certain applications. However, it's essential to note that the device is not designed to handle high currents, and its output impedance is relatively high. Therefore, it's recommended to use the TL431BQDCKTE4 as a voltage reference and pair it with an external pass transistor or amplifier for voltage regulation.
The output voltage of the TL431BQDCKTE4 can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the reference voltage (2.5V typical), R1 is the resistance between the REF pin and the output, and R2 is the resistance between the output and the cathode. The datasheet provides a detailed example of how to calculate the output voltage.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
TL431BQDCKTE4 Overview
Use the download button to access the TL431BQDCKTE4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TL431,
or try a keyword search, such as Voltage References
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.
