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TOP258YN from POWER

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TOP258YN

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP258YN POWER 10000 In Stock

Description and Introduction

Enhanced EcoSmart?, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP258YN is a member of the TOPSwitch-HX family of integrated switching power supply ICs manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85 VAC to 265 VAC (universal input)  
- **Output Power:** Up to 29 W (open frame) or 45 W (with heatsink)  
- **Switching Frequency:** 132 kHz  
- **Integrated MOSFET:** 725 V, 2.4 Ω (typical)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (through-hole)  

### **Descriptions:**  
The TOP258YN is a highly integrated offline switcher IC that combines a high-voltage MOSFET, PWM controller, and protection features into a single package. It is designed for flyback and buck-boost topologies in power supply applications.  

### **Features:**  
- **EcoSmart® Technology:** Reduces standby power consumption (<30 mW).  
- **Integrated Protection:** Includes over-voltage, over-current, over-temperature, and line under-voltage lockout (UVLO).  
- **Frequency Jittering:** Reduces EMI filtering requirements.  
- **Auto-Restart Protection:** Safely recovers from fault conditions.  
- **Adjustable Current Limit:** Enhances design flexibility.  

This device is commonly used in AC-DC power supplies for consumer electronics, industrial controls, and LED lighting applications.

Application Scenarios & Design Considerations

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

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