VHB100W-Q24-S24 - CUI Inc.

VHB100W-Q24-S24 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and thermal management for optimal performance?
  The recommended PCB layout involves placing the module on a multi-layer board with a solid ground plane, using thermal vias to dissipate heat, and keeping the input and output capacitors close to the module. A heat sink or thermal interface material can be used to improve thermal management.
• How do I ensure electromagnetic compatibility (EMC) with this module?
  To ensure EMC, use a shielded enclosure, keep the module away from sensitive circuits, use a common-mode choke on the input, and add EMI filters on the output. Also, follow proper PCB layout and grounding practices.
• What is the derating curve for this module, and how does it affect the output power?
  The derating curve is typically provided by the manufacturer upon request. It shows the reduction in output power as the ambient temperature increases. For the VHB100W-Q24-S24, the derating curve is approximately 2.5% per degree Celsius above 40°C.
• Can I use this module in a redundant or N+1 configuration?
  Yes, the VHB100W-Q24-S24 can be used in a redundant or N+1 configuration to achieve high availability and redundancy. However, it's essential to ensure proper synchronization and control of the modules to prevent unwanted interactions.
• What are the recommended input and output filtering components for this module?
  The recommended input filtering components include a π-filter (C-L-C) or a common-mode choke, while the recommended output filtering components include a LC filter or a π-filter. The specific component values depend on the application and noise requirements.