TOP252EG

Power Integrations TOP252EG - TOPSwitch-HX Offline Switching IC

The TOP252EG is a high-performance integrated offline switcher from Power Integrations' TOPSwitch-HX family, designed for cost-effective, reliable AC/DC power conversion in flyback topology applications up to 21W. This advanced switching IC integrates a 700V power MOSFET with comprehensive protection features, making it ideal for industrial, telecom, medical, and consumer power supply designs requiring long lifecycle support and full regulatory compliance.

Key Features & Benefits

• Integrated 700V Power MOSFET: High breakdown voltage enables wide input voltage range and robust performance
• 21W Output Power: Optimized for low-to-medium power AC/DC applications
• Dual Switching Frequencies: 66kHz and 132kHz operation for design flexibility and EMI optimization
• 78% Maximum Duty Cycle: Maximizes transformer utilization and efficiency
• Comprehensive Fault Protection: Built-in current limiting, over-temperature, and over-voltage protection ensure safe, reliable operation
• Flyback Topology: Proven, cost-effective isolated power conversion architecture
• Wide Operating Temperature: -40°C to 150°C (TJ) for demanding industrial and automotive environments
• Through-Hole eSIP-7C Package: Robust mounting for high-reliability applications with excellent thermal performance
• RoHS Compliant: Meets environmental and regulatory requirements for global markets

Target Applications

The TOP252EG is engineered for aerospace, automotive, industrial control, medical equipment, and telecommunications power supplies where long product lifecycles, traceability, and compliance are critical. Its integrated protection and proven topology reduce component count, lower system cost, and accelerate time-to-market for design engineers.

Authorized Distributor: We are an authorized distributor providing genuine Power Integrations components with full traceability, manufacturer documentation, and lifecycle support. All products ship with RoHS/REACH compliance certification and are backed by our quality guarantee.

• TOP252EG.pdf