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TOP223G from TOWEP

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TOP223G

Manufacturer: TOWEP

Three-terminal Off-line PWM Switch

Partnumber Manufacturer Quantity Availability
TOP223G TOWEP 91 In Stock

Description and Introduction

Three-terminal Off-line PWM Switch The TOP223G is a member of the TOPSwitch-GX family of integrated switching power supply ICs manufactured by Power Integrations. Below are the factual specifications, descriptions, and features of the TOP223G:

### **Specifications:**  
- **Manufacturer:** Power Integrations  
- **Series:** TOPSwitch-GX  
- **Package:** TO-220-7C (Through-Hole)  
- **Input Voltage Range:** 85V AC to 265V AC (universal input)  
- **Output Power:** Up to 9W (open frame, 230V AC input)  
- **Switching Frequency:** 132 kHz  
- **Operating Temperature Range:** -40°C to +150°C  
- **Maximum Duty Cycle:** 78%  
- **Integrated Features:**  
  - High-voltage MOSFET  
  - PWM controller  
  - Thermal shutdown  
  - Auto-restart protection  

### **Descriptions:**  
The TOP223G is a monolithic IC designed for offline power supply applications. It integrates a high-voltage power MOSFET, PWM controller, and protection features into a single package. It is commonly used in flyback converters for low-power applications such as adapters, chargers, and auxiliary power supplies.  

### **Features:**  
- **Integrated High-Voltage MOSFET:** Reduces external component count.  
- **Frequency Jittering:** Minimizes EMI emissions.  
- **Auto-Restart Protection:** Safeguards against overload, short-circuit, and open-loop conditions.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Adjustable Switching Frequency:** Helps optimize efficiency and EMI performance.  
- **Thermal Shutdown:** Prevents overheating damage.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Three-terminal Off-line PWM Switch
Partnumber Manufacturer Quantity Availability
TOP223G POWER 690 In Stock

Description and Introduction

Three-terminal Off-line PWM Switch The TOP223G is a member of the TOPSwitch-GX family of integrated switching power supply ICs manufactured by Power Integrations.  

### **Manufacturer:**  
- **Power Integrations**  

### **Specifications:**  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V AC to 265V AC  
- **Output Power:** Up to 9W (open frame)  
- **Switching Frequency:** 132 kHz  
- **Maximum Duty Cycle:** 78%  
- **Integrated Features:**  
  - High-voltage MOSFET (700V)  
  - PWM controller  
  - Thermal shutdown  
  - Frequency jittering for reduced EMI  
  - Auto-restart protection for overloads and short circuits  
  - Soft-start for reduced inrush current  

### **Descriptions:**  
The TOP223G is a monolithic IC designed for offline power supply applications. It combines a high-voltage power MOSFET, PWM control, and protection circuitry in a single package. It is commonly used in AC/DC converters for low-power applications.  

### **Features:**  
- **Efficiency:** High efficiency due to integrated design  
- **Protection:** Over-temperature, over-voltage, and current limiting  
- **Package:** TO-220 (3-pin)  
- **Applications:**  
  - Adapters  
  - Standby power supplies  
  - Auxiliary power supplies  
  - LED drivers  

This information is based on Power Integrations' datasheet for the TOP223G.

Application Scenarios & Design Considerations

Three-terminal Off-line PWM Switch

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