LNK6665E datasheet by Power Integrations

LNK6665E Frequently Asked Questions (FAQs)

• What is the maximum output power that can be achieved with LNK6665E?
  The maximum output power of LNK6665E depends on the input voltage, output voltage, and current. However, according to the datasheet, it can deliver up to 65W of output power with an input voltage range of 85-265VAC.
• How do I ensure the reliability and longevity of the LNK6665E?
  To ensure reliability and longevity, it's essential to follow proper PCB layout guidelines, use adequate heat sinking, and ensure that the component is operated within its recommended operating conditions. Additionally, using high-quality components and following proper manufacturing processes can also help.
• What is the purpose of the BYPASS pin on the LNK6665E?
  The BYPASS pin is used to connect an external bypass capacitor to the internal voltage regulator. This helps to reduce the noise and ripple on the internal voltage regulator output, ensuring a stable and reliable operation.
• Can I use the LNK6665E in a non-isolated offline switching power supply?
  Yes, the LNK6665E is designed for use in non-isolated offline switching power supplies. It has an internal high-voltage power MOSFET and a controller that can handle the high-voltage switching requirements.
• How do I optimize the design for EMI compliance with the LNK6665E?
  To optimize the design for EMI compliance, follow proper PCB layout guidelines, use a shielded transformer, and ensure that the layout is symmetrical and balanced. Additionally, using EMI filters and shielding can help reduce EMI emissions.