TOP253PG

TOP253PG - TOPSwitch-HX Offline Switcher IC

The TOP253PG from Power Integrations is a high-performance 25W flyback AC-DC converter IC featuring integrated 700V MOSFET and comprehensive protection circuitry. Part of the proven TOPSwitch-HX family, this offline switcher delivers reliable isolated power conversion for industrial, consumer, and telecommunications applications.

Key Features

• 25W Output Power - Optimized for low to medium power applications
• 700V Breakdown Voltage - High-voltage capability for universal input designs
• 66kHz Switching Frequency - Enables compact transformer design
• 78% Maximum Duty Cycle - Efficient power delivery
• Integrated Protection - Current limiting, over-temperature, and over-voltage safeguards
• Flyback Topology - Simple, cost-effective isolated power supply design
• Through-Hole Package - Easy assembly and prototyping (8-DIP, 7 leads)
• Wide Operating Range - -40°C to 150°C junction temperature

Applications

• AC-DC power supplies and adapters
• Auxiliary power for industrial equipment
• Consumer electronics and appliances
• Telecom and networking infrastructure
• LED lighting drivers
• Battery chargers

Why Choose TOP253PG?

Power Integrations' TOPSwitch-HX series combines high integration, robust protection, and proven reliability. The TOP253PG simplifies design with its integrated high-voltage MOSFET and control circuitry, reducing component count and board space while improving system efficiency and safety compliance.

Authorized distributor stock with full manufacturer documentation, traceability, and long lifecycle support. Design resources and reference designs available.

• TOP253PG.pdf