TNY264PN datasheet by Power Integrations

TNY264PN Frequently Asked Questions (FAQs)

• What is the maximum output power of the TNY264PN?
  The maximum output power of the TNY264PN is 65W, but it can be derated based on the input voltage, output voltage, and ambient temperature.
• How do I ensure the TNY264PN operates within its safe operating area (SOA)?
  To ensure the TNY264PN operates within its SOA, follow the guidelines in the datasheet for input voltage, output voltage, output current, and ambient temperature. Additionally, ensure proper thermal management and PCB layout to minimize thermal resistance and electromagnetic interference (EMI).
• What is the purpose of the BYPASS pin on the TNY264PN?
  The BYPASS pin is used to connect a bypass capacitor to the internal voltage regulator, which helps to reduce the noise and ripple on the internal voltage supply. This pin should be connected to a 10nF to 100nF ceramic capacitor.
• How do I optimize the transformer design for the TNY264PN?
  To optimize the transformer design for the TNY264PN, follow the guidelines in the datasheet for transformer turns ratio, magnetizing inductance, and leakage inductance. Additionally, consider the core material, core size, and winding technique to minimize losses and ensure efficient energy transfer.
• What is the recommended PCB layout for the TNY264PN?
  The recommended PCB layout for the TNY264PN involves keeping the input and output stages separate, using a star-point grounding scheme, and minimizing the loop area of the transformer and output rectifier. Additionally, ensure proper thermal management and EMI shielding.