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TOP244P

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

Partnumber Manufacturer Quantity Availability
TOP244P 50 In Stock

Description and Introduction

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher The **TOP244P** is a member of the **TOPSwitch-GX** family of integrated switch-mode power supply (SMPS) controllers, manufactured by **Power Integrations**.  

### **Key Specifications:**  
- **Input Voltage Range:** 85–265V AC (universal input)  
- **Output Power (Max):** Up to 29W (open frame, 230V AC)  
- **Switching Frequency:** 132 kHz (fixed)  
- **Integrated Features:**  
  - High-voltage **MOSFET** (700V)  
  - **PWM controller**  
  - **Frequency jittering** for reduced EMI  
  - **Auto-restart protection** for overload, short-circuit, and open-loop conditions  
  - **Thermal shutdown** with hysteresis  
- **Package:** **TO-220-7C (through-hole)**  

### **Descriptions & Features:**  
- **Highly Integrated Design:** Combines a **PWM controller, high-voltage MOSFET, and protection circuits** in a single IC.  
- **EcoSmart® Technology:** Enhances efficiency and reduces standby power consumption.  
- **Line-Sensing & Current Limit Adjustment:** Allows optimization for different power levels.  
- **Soft-Start:** Reduces inrush current and transformer stress.  
- **Wide Operating Temperature Range:** Suitable for industrial and consumer applications.  

The **TOP244P** is commonly used in **AC-DC converters, adapters, and offline power supplies** requiring compact, efficient designs.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
Partnumber Manufacturer Quantity Availability
TOP244P POWER 72 In Stock

Description and Introduction

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher The TOP244P is a member of the TOPSwitch-GX family of integrated power switches manufactured by Power Integrations.  

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

### **Specifications:**  
- **Input Voltage Range:** 85V AC to 265V AC (universal input)  
- **Output Power:** Up to 29W (for open-frame applications)  
- **Switching Frequency:** 132 kHz  
- **Maximum Drain-Source Voltage (V_DS):** 700V  
- **Maximum Drain Current (I_D):** 1.5A  
- **On-Resistance (R_DS(ON)):** 3.2Ω (typical)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package Type:** TO-220-7C (through-hole)  

### **Descriptions:**  
- The TOP244P integrates a high-voltage MOSFET, PWM controller, and protection features in a single IC.  
- Designed for offline power supplies, including flyback and forward converters.  
- Features cycle-by-cycle current limiting for overload protection.  

### **Features:**  
- **Integrated High-Voltage MOSFET:** Reduces external component count.  
- **Frequency Jittering:** Minimizes EMI emissions.  
- **Auto-Restart Protection:** For over-temperature, over-voltage, and output short-circuit conditions.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Line Under-Voltage Detection:** Ensures stable operation under low input voltage.  
- **EcoSmart® Technology:** Enhances energy efficiency for reduced standby power consumption.  

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

Application Scenarios & Design Considerations

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

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