LM1117MPX-33NOPB datasheet by onsemi

LM1117MPX-33NOPB Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LM1117MPX-33NOPB?
  The maximum input voltage is 15V, but it's recommended to keep it below 12V for reliable operation.
• How do I ensure stability and prevent oscillations in the LM1117MPX-33NOPB?
  To ensure stability, use a minimum output capacitance of 10uF, and keep the distance between the regulator and the capacitor as short as possible. Also, use a low-ESR capacitor to minimize oscillations.
• What is the minimum input voltage required for the LM1117MPX-33NOPB to function properly?
  The minimum input voltage required is 4.5V, but it's recommended to keep it above 5V for reliable operation.
• Can I use the LM1117MPX-33NOPB in a high-temperature environment?
  The LM1117MPX-33NOPB is rated for operation up to 125°C, but the output current may decrease at higher temperatures. Ensure proper heat sinking and thermal management to maintain reliable operation.
• How do I protect the LM1117MPX-33NOPB from input voltage transients and spikes?
  Use a TVS diode or a transient voltage suppressor in parallel with the input capacitor to protect the regulator from voltage transients and spikes.