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TOP253EN from POWER

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TOP253EN

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP253EN POWER 46 In Stock

Description and Introduction

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP253EN is a member of the TOPSwitch-JX family of integrated switching power supply ICs manufactured by Power Integrations.  

### **Manufacturer:**  
Power Integrations  

### **Specifications:**  
- **Topology:** Flyback  
- **Input Voltage Range:** 85 VAC to 265 VAC (universal input)  
- **Output Power:** Up to 32 W (depending on design conditions)  
- **Frequency:** 132 kHz (fixed)  
- **Maximum Duty Cycle:** 78%  
- **Integrated MOSFET:** 725 V, 2.8 Ω (typical)  
- **Current Limit:** Adjustable (via external resistor)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (through-hole)  

### **Descriptions:**  
The TOP253EN is a highly integrated offline switcher IC designed for low-power applications. It combines a high-voltage MOSFET, PWM controller, and protection features into a single package. It is commonly used in AC-DC power supplies for consumer electronics, industrial controls, and auxiliary power applications.  

### **Features:**  
- **Integrated High-Voltage MOSFET:** 725 V breakdown rating for enhanced reliability.  
- **EcoSmart® Technology:** High efficiency for reduced energy consumption.  
- **Auto-Restart Protection:** Safeguards against overload, open-loop, and short-circuit conditions.  
- **Frequency Jittering:** Reduces EMI filtering requirements.  
- **Adjustable Current Limit:** Allows optimization for different power levels.  
- **Thermal Shutdown:** Protects against overheating.  
- **Soft-Start:** Reduces inrush current and component stress.  
- **Line Under-Voltage (UV) Detection:** Ensures stable operation under low-line conditions.  
- **Line Over-Voltage (OV) Protection:** Guards against input voltage spikes.  

This device is suitable for applications requiring compact, efficient, and reliable power conversion.

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