TL431BID datasheet by Texas Instruments

TL431BID Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for TL431BID?
  The recommended operating temperature range for TL431BID is -40°C to 125°C.
• How do I ensure stability when using TL431BID in a voltage regulator circuit?
  To ensure stability, it's recommended to use a minimum output capacitance of 10uF and a minimum ESR of 0.1 ohms. Additionally, the output voltage should be decoupled with a 10nF capacitor.
• Can I use TL431BID as a voltage reference in a high-temperature environment?
  Yes, TL431BID is suitable for high-temperature environments. It has a low temperature coefficient of 20 ppm/°C, making it suitable for applications up to 125°C.
• How do I calculate the output voltage of TL431BID?
  The output voltage of TL431BID can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.495V), R1 is the resistor connected between the output and the adjust pin, and R2 is the resistor connected between the adjust pin and ground.
• Is TL431BID suitable for automotive applications?
  Yes, TL431BID is AEC-Q100 qualified, making it suitable for automotive applications. It meets the requirements for high-reliability and high-temperature operation.