LNK626DG-TL datasheet by Power Integrations

LNK626DG-TL Frequently Asked Questions (FAQs)

• What is the maximum output power that can be achieved with LNK626DG-TL?
  The maximum output power of LNK626DG-TL is dependent on the input voltage, output voltage, and other design parameters. However, as a general guideline, it can deliver up to 12W of output power with an input voltage range of 85-265VAC.
• How do I ensure that the LNK626DG-TL operates within a safe temperature range?
  To ensure safe operation, it's essential to provide adequate heat sinking and thermal management. The device has a maximum junction temperature of 150°C. Ensure that the PCB design and layout allow for good airflow, and consider using a heat sink if necessary.
• What is the recommended input capacitor value and type for LNK626DG-TL?
  The recommended input capacitor value is 2.2uF to 4.7uF, X-capacitor type (e.g., X2 or X1) with a voltage rating of at least 250VAC. This ensures that the device can handle the input voltage and provides adequate filtering.
• How do I optimize the output voltage regulation of LNK626DG-TL?
  To optimize output voltage regulation, ensure that the output capacitor value is within the recommended range (2.2uF to 10uF), and the output voltage sense resistors are properly selected. Additionally, consider using a voltage feedback network to improve regulation.
• What are the key considerations for EMI filtering with LNK626DG-TL?
  To minimize EMI, ensure that the input and output filters are properly designed and implemented. Use a common-mode choke, and consider adding a differential-mode filter. Additionally, ensure that the PCB layout is optimized for EMI reduction.