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TOP224GN from POWER

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TOP224GN

Manufacturer: POWER

Three-terminal Off-line PWM Switch

Partnumber Manufacturer Quantity Availability
TOP224GN POWER 10000 In Stock

Description and Introduction

Three-terminal Off-line PWM Switch The TOP224GN is a member of the TOPSwitch-GX family of integrated switching power supply ICs, manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85V AC to 265V AC (universal input)  
- **Output Power:** Up to 15W (for open-frame designs)  
- **Switching Frequency:** 132 kHz (fixed)  
- **Maximum Duty Cycle:** 78%  
- **Integrated MOSFET:** 700V breakdown voltage  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (through-hole)  

### **Descriptions and Features:**  
- **Highly Integrated Design:** Combines a high-voltage MOSFET, PWM controller, and protection circuits in a single IC.  
- **Advanced Protection Features:** Includes over-temperature shutdown, line under-voltage detection, and cycle-by-cycle current limiting.  
- **EcoSmart® Technology:** Enhances energy efficiency and reduces standby power consumption.  
- **Frequency Jittering:** Reduces EMI emissions for easier compliance with regulatory standards.  
- **Soft-Start:** Minimizes inrush current during startup.  
- **Auto-Restart Protection:** Safely recovers from fault conditions without external components.  

This device is commonly used in offline power supplies for consumer electronics, industrial controls, and appliances.

Application Scenarios & Design Considerations

Three-terminal Off-line PWM Switch

Alternative Part Number

  • TNY264GN --: TinySwitch-III family member in the same DIP-8 package with integrated high-voltage MOSFET and similar offline switching function; a common drop-in style replacement for low-power designs, though power rating and pin behavior should be verified.
  • LNK304GN --: LinkSwitch-TN device in the same 8-pin package, offering an integrated switcher for low-power offline supplies; suitable as a functional alternative when the lower output power is acceptable.
  • VIPER22A --: Widely available offline PWM switcher with integrated MOSFET in a DIP-8 package; a cross-manufacturer alternative for low-power AC-DC designs, requiring verification of pinout and power rating.

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