LM3421MH/NOPB datasheet by Texas Instruments

LM3421MH/NOPB Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the LM3421MH/NOPB can handle?
  The maximum input voltage that the LM3421MH/NOPB can handle is 42V, but it's recommended to keep it below 40V for reliable operation.
• How do I ensure the stability of the output voltage?
  To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, use a low-ESR capacitor for the output filter capacitor.
• What is the minimum input voltage required for the LM3421MH/NOPB to operate?
  The minimum input voltage required for the LM3421MH/NOPB to operate is 7V, but it's recommended to keep it above 8V for reliable operation.
• Can I use the LM3421MH/NOPB in a high-temperature environment?
  Yes, the LM3421MH/NOPB can operate in high-temperature environments up to 150°C, but the output current may need to be derated to prevent overheating.
• How do I calculate the output voltage of the LM3421MH/NOPB?
  The output voltage of the LM3421MH/NOPB can be calculated using the formula: Vout = (R1/R2) * (1.25V), where R1 and R2 are the resistors used in the feedback network.