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TOP255LN from POWER

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TOP255LN

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP255LN POWER 6986 In Stock

Description and Introduction

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP255LN is a member of the TOPSwitch-JX family of integrated switching power supply ICs, manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85–265 VAC (universal input)  
- **Output Power:** Up to 28 W (open frame, 230 VAC)  
- **Switching Frequency:** 132 kHz  
- **Efficiency:** Up to 90% (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (through-hole)  

### **Descriptions:**  
The TOP255LN integrates a high-voltage MOSFET, PWM controller, and protection features into a single IC, simplifying offline power supply designs. It supports flyback, forward, and buck-boost topologies.  

### **Features:**  
- **Integrated 725V MOSFET**  
- **Frequency Jittering** for reduced EMI  
- **Auto-Restart Protection** for overloads, short circuits, and open-loop conditions  
- **Line Under-Voltage (UV) Detection**  
- **External Current Limit Adjustment**  
- **Thermal Shutdown Protection**  

This device is commonly used in AC-DC converters for industrial, consumer, and telecom applications.

Application Scenarios & Design Considerations

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
Partnumber Manufacturer Quantity Availability
TOP255LN 48 In Stock

Description and Introduction

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP255LN is a member of the TOPSwitch-JX family of integrated switching power supply ICs, manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85–265 VAC (universal input)  
- **Output Power:** Up to 28 W (depending on design and cooling conditions)  
- **Switching Frequency:** 132 kHz (fixed)  
- **Efficiency:** Up to 90% (Energy Star compliant)  
- **Package:** TO-220-7C (with full isolation)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Protection Features:**  
  - Over-temperature protection (OTP)  
  - Over-voltage protection (OVP)  
  - Over-current protection (OCP)  
  - Auto-restart for fault conditions  

### **Descriptions and Features:**  
- **Highly Integrated Design:** Combines a high-voltage MOSFET, PWM controller, and protection circuits in a single chip.  
- **EcoSmart® Technology:** Reduces standby power consumption (<30 mW).  
- **Frequency Jittering:** Minimizes EMI, reducing filter costs.  
- **Soft Start:** Reduces inrush current stress.  
- **Wide Input Voltage Range:** Supports universal AC input (85–265 VAC).  
- **Isolated Package:** TO-220-7C provides reinforced insulation for safety compliance.  

The TOP255LN is commonly used in offline power supplies for applications such as adapters, industrial controls, and consumer electronics.

Application Scenarios & Design Considerations

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

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