TOP209P

TOP209P - TOPSwitch® Offline Switcher IC

The TOP209P from Power Integrations is a high-performance offline switcher IC featuring an integrated 700V power MOSFET, designed for compact and efficient flyback power supply applications up to 2W. This through-hole device combines power switching, control, and protection functions in a single 8-DIP package, reducing component count and simplifying design.

Key Features:

• Integrated 700V Power MOSFET - High voltage capability for universal input applications
• 2W Output Power - Ideal for low-power AC/DC converters and auxiliary supplies
• 70kHz Switching Frequency - Enables compact transformer design
• Built-in Protection - Current limiting and over-temperature shutdown for enhanced reliability
• 67% Maximum Duty Cycle - Optimized for flyback topology
• Wide Operating Temperature Range - -40°C to 150°C (TJ) for demanding environments

Applications:

• Low-power AC/DC adapters and chargers
• Auxiliary power supplies
• Standby power supplies
• Consumer electronics
• Industrial control systems

Technical Specifications:

Why Choose TOP209P?

The TOPSwitch family from Power Integrations offers proven reliability with millions of units deployed worldwide. The TOP209P simplifies power supply design by integrating multiple functions, reducing BOM cost, and improving overall system reliability through comprehensive fault protection.

• TOP209P.pdf