TOP255MG

TOP255MG - TOPSwitch-HX Integrated Offline Switcher IC

The TOP255MG from Power Integrations is a high-performance 30W integrated offline switcher IC featuring a 700V power MOSFET, on-chip PWM control, and comprehensive fault protection. Part of the proven TOPSwitch-HX family, this device delivers reliable flyback topology performance for isolated AC-DC power supplies in industrial, consumer, and telecommunications applications.

Key Features & Benefits

• Integrated 700V Power MOSFET – Reduces component count and simplifies design
• 30W Output Power – Ideal for low-to-medium power offline converters
• 66kHz Switching Frequency – Enables compact transformer design
• 78% Maximum Duty Cycle – Optimizes transformer utilization
• Comprehensive Protection – Current limiting, over-temperature, and over-voltage safeguards
• Isolated Flyback Topology – Proven architecture for universal input applications
• Wide Operating Temperature Range – -40°C to 150°C (TJ) for demanding environments
• Through-Hole SDIP-10C Package – Easy assembly and reliable thermal performance

Typical Applications

• AC-DC adapters and chargers
• Auxiliary power supplies
• Industrial control systems
• Telecom and networking equipment
• Consumer electronics power modules
• Standby and bias supplies

Why Choose TOP255MG?

The TOPSwitch-HX series combines high integration, robust protection, and proven reliability. With full manufacturer documentation, traceability, and long lifecycle availability, the TOP255MG is the ideal choice for designs requiring authorized components with guaranteed authenticity and technical support.

• TOP255MG.pdf