LMZ22005TZ/NOPB datasheet by Texas Instruments

LMZ22005TZ/NOPB Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance?
  A good PCB layout for the LMZ22005TZ/NOPB involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
• How do I ensure stability and prevent oscillations in the output voltage?
  To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor has a low equivalent series resistance (ESR) and a high ripple current rating. A minimum output capacitance of 10uF is recommended.
• What is the maximum ambient temperature for reliable operation?
  The LMZ22005TZ/NOPB is rated for operation up to 85°C ambient temperature. However, it's recommended to derate the output current and input voltage to ensure reliable operation at higher temperatures.
• Can I use the LMZ22005TZ/NOPB in a high-reliability or automotive application?
  Yes, the LMZ22005TZ/NOPB is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is suitable for use in harsh environments.
• How do I protect the device from input voltage transients and surges?
  To protect the device from input voltage transients and surges, use a TVS (transient voltage suppressor) diode or a voltage clamp circuit at the input. Additionally, ensure that the input capacitor is rated for the maximum input voltage and has a low ESR.