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TOP254MN from POWER

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TOP254MN

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP254MN POWER 2066 In Stock

Description and Introduction

Enhanced EcoSmart?, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP254MN is a member of the TOPSwitch-HX family of integrated offline switchers from Power Integrations. Below are the factual specifications, descriptions, and features:  

### **Manufacturer:**  
- **Power Integrations**  

### **Specifications:**  
- **Output Power:**  
  - Up to 29W in open-frame applications (universal input)  
  - Up to 45W in enclosed adapter applications (230 VAC ±15%)  
- **Input Voltage Range:**  
  - 85 VAC to 265 VAC (universal input)  
- **Switching Frequency:** 132 kHz  
- **Maximum Duty Cycle:** 78%  
- **Efficiency:** Up to 90% (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Package:** 7-pin TO-220 with full isolation  

### **Descriptions:**  
- The TOP254MN integrates a high-voltage MOSFET, PWM controller, and protection features into a single IC.  
- It is designed for offline power supplies, including adapters, chargers, and auxiliary power supplies.  
- Supports both flyback and forward converter topologies.  

### **Features:**  
- **Integrated 725V Power MOSFET**  
- **Frequency Jittering** for reduced EMI  
- **Auto-Restart Protection** for overload, short-circuit, and open-loop conditions  
- **Line Under-Voltage (UV) Detection**  
- **External Current Limit Adjustment**  
- **Thermal Shutdown** with hysteresis  
- **Soft-Start** to reduce inrush current  
- **EcoSmart® Technology** for high efficiency and low standby power  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

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