LM392D datasheet by Texas Instruments

LM392D Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the LM392D?
  The LM392D can operate from -25°C to 85°C, but the accuracy and stability of the voltage reference may degrade at extreme temperatures.
• How do I ensure the output voltage is stable and accurate?
  To ensure stable and accurate output voltage, make sure to decouple the input pin with a 10uF capacitor, use a low-ESR output capacitor, and keep the device away from high-frequency noise sources.
• Can I use the LM392D as a voltage regulator?
  No, the LM392D is a voltage reference, not a voltage regulator. It's designed to provide a stable voltage reference, not to regulate voltage. Use a dedicated voltage regulator IC for voltage regulation.
• What is the minimum input voltage required for the LM392D to function?
  The minimum input voltage required for the LM392D to function is 4.5V, but it's recommended to use a minimum of 5V to ensure stable operation.
• How do I calculate the output impedance of the LM392D?
  The output impedance of the LM392D is typically around 10-20 ohms, but it can be calculated using the formula: Zout = (Vout / Iout) * (1 + (R1 / R2)), where R1 and R2 are the resistors used in the output stage.