LNK605DG-TL datasheet by Power Integrations

LNK605DG-TL Frequently Asked Questions (FAQs)

• What is the maximum output power that can be achieved with LNK605DG-TL?
  The maximum output power of LNK605DG-TL is 5W, but it can be derated based on the input voltage, output voltage, and ambient temperature.
• How do I ensure the stability of the output voltage with LNK605DG-TL?
  To ensure stability, it's essential to follow the recommended PCB layout, use a suitable output capacitor, and ensure the input voltage is within the specified range.
• What is the purpose of the BYPASS pin on LNK605DG-TL?
  The BYPASS pin is used to connect an external capacitor to the internal voltage regulator, which helps to improve the power supply rejection ratio (PSRR) and reduce noise.
• Can I use LNK605DG-TL in a high-temperature environment?
  Yes, LNK605DG-TL is rated for operation up to 150°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
• How do I optimize the efficiency of LNK605DG-TL?
  To optimize efficiency, ensure a low-ESR output capacitor, minimize the input voltage ripple, and optimize the transformer turns ratio. Additionally, consider using a synchronous rectifier or a low-loss diode.