LP3871EMP-3.3 datasheet by Texas Instruments

LP3871EMP-3.3 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LP3871EMP-3.3?
  The maximum input voltage that can be applied to the LP3871EMP-3.3 is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
• How do I ensure the LP3871EMP-3.3 is stable and doesn't oscillate?
  To ensure stability, make sure to follow the recommended layout and component placement guidelines, use a sufficient output capacitor (at least 10uF), and add a 10nF capacitor between the VIN and GND pins to filter out noise.
• Can I use the LP3871EMP-3.3 in a high-temperature environment?
  The LP3871EMP-3.3 is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
• How do I calculate the output voltage tolerance of the LP3871EMP-3.3?
  The output voltage tolerance of the LP3871EMP-3.3 is typically ±2% over the entire operating range. To calculate the output voltage tolerance, multiply the nominal output voltage (3.3V) by the tolerance percentage (2%).
• Can I use the LP3871EMP-3.3 in a low-dropout (LDO) configuration?
  Yes, the LP3871EMP-3.3 can be used in an LDO configuration, but it's not optimized for low-dropout operation. The minimum input-to-output voltage differential is around 1.5V, so it's not suitable for very low-input voltage applications.