PQME3-D24-S12-M - CUI Inc.

PQME3-D24-S12-M Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance?
  CUI recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's recommended to use a common mode choke and a decoupling capacitor at the input to reduce noise and ripple.
• How do I ensure the module's reliability in high-temperature environments?
  To ensure reliability in high-temperature environments, it's essential to follow the recommended derating curves for the module's output power and input voltage. Additionally, ensure good airflow around the module, and consider using a heat sink or thermal interface material to reduce the module's operating temperature.
• What is the maximum capacitance I can use on the output?
  The maximum capacitance on the output is limited to 47uF to prevent oscillation and ensure stability. Exceeding this value may cause the module to malfunction or become unstable.
• Can I use this module in a redundant or parallel configuration?
  Yes, the PQME3-D24-S12-M can be used in a redundant or parallel configuration, but it's essential to follow CUI's guidelines for synchronization and current sharing to ensure reliable operation and prevent damage to the modules.
• What is the typical MTBF (Mean Time Between Failures) for this module?
  The typical MTBF for the PQME3-D24-S12-M is >1 million hours, calculated according to Telcordia SR-332 Issue 3, method I. However, this value may vary depending on the specific application and operating conditions.