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TOP244P

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP244P POWER 122 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

Alternative Part Number

  • LNK364PN --: Same manufacturer's LinkSwitch-TN family, pin-compatible DIP-8 offline switcher with integrated MOSFET, suitable for lower-power designs replacing TOP244P.
  • VIPER22A --: Widely available DIP-8 offline PWM switcher with integrated high-voltage MOSFET, commonly used as a functional substitute in low-power AC-DC supplies.
  • NCP1014AP065G --: Self-supplied monolithic offline switcher in DIP-8 package with integrated MOSFET and current-mode control, a practical alternative for similar low-power flyback applications.

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