TNY280PN datasheet by Power Integrations

TNY280PN Frequently Asked Questions (FAQs)

• What is the maximum output power that the TNY280PN can handle?
  The TNY280PN is a 8-pin DIP off-line switcher that can handle up to 20W of output power.
• How do I ensure the TNY280PN operates within a safe temperature range?
  The TNY280PN has a built-in thermal shutdown feature that turns off the device when the junction temperature exceeds 150°C. Ensure good airflow and a suitable heat sink to keep the device within a safe operating temperature range.
• What is the recommended input capacitor value for the TNY280PN?
  The recommended input capacitor value for the TNY280PN is 2.2uF to 4.7uF, X7R or X5R type, with a voltage rating of at least 250V.
• How do I optimize the transformer design for the TNY280PN?
  Optimize the transformer design by selecting the correct core material, turns ratio, and wire size to minimize losses and ensure efficient energy transfer. Consult the Power Integrations application notes and transformer design guides for more information.
• What is the purpose of the BYPASS pin on the TNY280PN?
  The BYPASS pin is used to connect an external bypass capacitor to filter the internal voltage regulator output, reducing noise and improving overall system stability.