TL431ALP-BP datasheet by Micro Commercial Components

TL431ALP-BP Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for TL431ALP-BP?
  The recommended operating temperature range for TL431ALP-BP is -40°C to 125°C.
• How do I ensure stability when using TL431ALP-BP as a voltage reference?
  To ensure stability, it's recommended to decouple the input pin (Vref) with a 10nF to 100nF capacitor and use a low-ESR output capacitor (e.g., 10uF) to filter out noise and ripple.
• Can I use TL431ALP-BP as a voltage regulator?
  While TL431ALP-BP can be used as a voltage regulator, it's not recommended as it's primarily designed as a voltage reference. For voltage regulation, consider using a dedicated voltage regulator IC like the 78L05 or LM317.
• What is the typical output impedance of TL431ALP-BP?
  The typical output impedance of TL431ALP-BP is around 0.5 ohms to 1 ohm, making it suitable for applications where a low-impedance voltage reference is required.
• How do I calculate the output voltage of TL431ALP-BP?
  The output voltage of TL431ALP-BP can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.495V), R1 and R2 are the external resistors connected between the output and adjust pins.