TNY274PN datasheet by Power Integrations

TNY274PN Frequently Asked Questions (FAQs)

• What is the maximum output power that the TNY274PN can handle?
  The TNY274PN is a 6-pin, off-line switcher that can deliver up to 12 W of output power.
• How do I ensure the TNY274PN operates within a safe temperature range?
  The TNY274PN has a built-in thermal shutdown feature that turns off the device when the junction temperature exceeds 150°C. Ensure good thermal design and heat sinking to keep the device within a safe operating temperature range.
• What is the recommended input capacitor value for the TNY274PN?
  The recommended input capacitor value for the TNY274PN is 2.2 μF to 4.7 μF, depending on the input voltage and output power requirements.
• How do I optimize the transformer design for the TNY274PN?
  Optimize the transformer design by selecting the correct turns ratio, core material, and winding configuration to ensure efficient energy transfer and minimize losses. Refer to the Power Integrations application notes for guidance.
• What is the purpose of the BYPASS pin on the TNY274PN?
  The BYPASS pin is used to connect an external bypass capacitor to filter the internal voltage regulator output, reducing noise and improving overall system performance.