Power Integrations TOP255EG

TOP255EG - TOPSwitch®-HX Offline Switcher IC

The TOP255EG from Power Integrations is a high-performance 81W offline switcher IC featuring integrated MOSFET and advanced protection circuitry. Designed for flyback topology applications, this IC delivers reliable, efficient power conversion for industrial, telecom, and high-reliability systems.

Key Features

• 81W Power Output - Suitable for medium-power AC/DC applications
• 700V Breakdown Voltage - High-voltage capability for universal input designs
• Dual Switching Frequencies - 66kHz and 132kHz for design flexibility
• Comprehensive Protection - Current limiting, over-temperature, and over-voltage safeguards
• 78% Maximum Duty Cycle - Optimized for efficient energy transfer
• Wide Operating Temperature - -40°C to 150°C (TJ) for harsh environments
• RoHS Compliant - Meets environmental standards for global markets

Applications

Ideal for power supplies in aerospace, automotive, industrial control, medical equipment, and telecommunications infrastructure where long lifecycle and full traceability are critical.

• TOP255EG.pdf