Power Integrations

TNY274GN

TNY274GN Description

The TNY274GN from Power Integrations is a high-performance offline switcher IC designed for flyback topology applications. This surface-mount device integrates a 700V breakdown voltage MOSFET, making it suitable for isolated power supplies up to 11W. With a 132kHz switching frequency and 65% duty cycle, it delivers efficient power conversion while minimizing component count. The IC features advanced control (EN pin) and comprehensive fault protection, including current limiting, open-loop, over-temperature, over-voltage, and short-circuit protection, ensuring robust operation in demanding environments. Compliant with RoHS and REACH unaffected, it is packaged in a tube with an MSL 4 (72 hours) rating.

TNY274GN Features

• Integrated 700V MOSFET for high-voltage applications.
• 11W output power with 132kHz switching frequency for compact designs.
• EN control pin for precise power management.
• Multi-mode fault protection (current, temperature, voltage, short-circuit).
• 65% duty cycle optimizes efficiency across load ranges.
• Isolated output for safety-critical applications.
• RoHS compliant and REACH unaffected, meeting environmental standards.
• Surface-mount 8SMD package for space-constrained PCB layouts.

TNY274GN Applications

The TNY274GN excels in low-power AC/DC conversion for:

• Auxiliary power supplies in industrial equipment.
• Consumer electronics (e.g., smart home devices, chargers).
• LED lighting drivers requiring high reliability.
• Appliance control boards with stringent safety requirements.
• Isolated power modules for medical or telecom systems.

Conclusion of TNY274GN

The TNY274GN stands out for its high integration, robust protection, and efficiency, making it ideal for cost-sensitive, space-constrained designs. Its 700V MOSFET and fault resilience reduce external component needs, while EN control enhances flexibility. A top choice for 11W offline flyback converters across industrial, consumer, and medical applications.