Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP261EN is a member of the TOPSwitch-JX family of integrated power switches from Power Integrations.  

**Manufacturer:** Power Integrations  

**Key Specifications:**  
- **Input Voltage Range:** 85 VAC to 265 VAC (universal input)  
- **Output Power:** Up to 22 W (depending on design and cooling conditions)  
- **Switching Frequency:** 132 kHz  
- **Integrated Features:** High-voltage MOSFET, PWM controller, thermal shutdown, cycle-by-cycle current limiting, and auto-restart protection  
- **Efficiency:** Up to 80% (depending on application)  
- **Package Type:** TO-220-7C (through-hole)  

**Descriptions and Features:**  
- Designed for offline power supplies in applications such as adapters, chargers, and auxiliary power supplies.  
- Combines a high-voltage power MOSFET with a PWM controller in a single package.  
- Includes advanced protection features like over-temperature shutdown, over-voltage protection, and line under-voltage detection.  
- Supports both isolated and non-isolated designs.  
- Reduces component count and simplifies power supply design.  

For detailed application-specific performance, refer to the manufacturer's datasheet.

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range