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TOP254PN from POWER

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TOP254PN

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP254PN POWER 10000 In Stock

Description and Introduction

Enhanced EcoSmart?, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range The TOP254PN 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 29 W (for open-frame applications)  
- **Switching Frequency:** 132 kHz  
- **Integrated MOSFET:** 725 V, 1.3 A (typical)  
- **Efficiency:** Up to 80% (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** 7-pin DIP (TO-220 equivalent)  

### **Descriptions:**  
The TOP254PN is a monolithic offline switcher IC that combines a high-voltage MOSFET, PWM controller, and protection circuits into a single package. It is designed for flyback, buck, and buck-boost converter topologies.  

### **Features:**  
- **Integrated High-Voltage MOSFET:** Reduces external component count.  
- **Frequency Jittering:** Minimizes EMI.  
- **Auto-Restart Protection:** For overload, short-circuit, and open-loop conditions.  
- **Adjustable Current Limit:** Enhances design flexibility.  
- **Thermal Shutdown:** Protects against overheating.  
- **EcoSmart® Technology:** Complies with global energy efficiency standards.  

This device is commonly used in power adapters, industrial power supplies, and LED drivers.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LNK364PN --: Same manufacturer's LinkSwitch-TN family, pin-compatible DIP-8 offline switcher with integrated MOSFET, suitable for low-power AC-DC designs.
  • VIPER22A --: Widely used offline PWM switcher with integrated power MOSFET in DIP-8, commonly used as a functional substitute in low-power supplies.
  • NCP1014AP065G --: Self-supplied monolithic offline switcher in DIP-8 with integrated MOSFET, comparable power range and application role.

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