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TOP244R from POWER

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TOP244R

Manufacturer: POWER

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

Partnumber Manufacturer Quantity Availability
TOP244R POWER 29800 In Stock

Description and Introduction

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher The TOP244R is a member of the TOPSwitch-GX family of integrated switching power supply ICs, manufactured by Power Integrations.  

### **Specifications:**  
- **Input Voltage Range:** 85–265 VAC (universal input)  
- **Output Power Range:** Up to 29 W (depending on design and cooling conditions)  
- **Switching Frequency:** 132 kHz  
- **Maximum Duty Cycle:** 78%  
- **Efficiency:** Up to 90% (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** TO-220-7C (with integrated heatsink tab)  
- **Protection Features:**  
  - Overload protection  
  - Over-temperature shutdown  
  - Line undervoltage detection  
  - Auto-restart for fault conditions  

### **Descriptions:**  
The TOP244R is a highly integrated offline switcher IC that combines a high-voltage MOSFET, PWM controller, and protection circuits into a single package. It is designed for flyback, forward, and buck-boost converter topologies in power supplies.  

### **Features:**  
- **Integrated 700V MOSFET**  
- **Frequency Jittering** for reduced EMI  
- **Adjustable Current Limit** for optimized power handling  
- **Soft-Start** to minimize inrush current  
- **Low Standby Power Consumption** (<300 mW in no-load conditions)  
- **EcoSmart® Technology** for energy-efficient operation  

This device is commonly used in AC/DC power supplies for consumer electronics, industrial controls, and LED lighting applications.

Partnumber Manufacturer Quantity Availability
TOP244R 20 In Stock

Description and Introduction

TOPSwitch -GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher The TOP244R 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:

### **Manufacturer:**  
Power Integrations  

### **Description:**  
The TOP244R is a highly integrated offline switcher IC designed for flyback converters. It combines a high-voltage power MOSFET, PWM controller, thermal protection, and fault detection in a single package.  

### **Key Features:**  
- **Integrated 700V Power MOSFET**  
- **Frequency Jittering** for reduced EMI  
- **Wide Input Voltage Range:** 85V AC to 265V AC  
- **Adjustable Switching Frequency** (132 kHz)  
- **Auto-Restart Protection** for overload, open-loop, and short-circuit conditions  
- **Thermal Shutdown** with hysteresis  
- **Low Power Consumption** in standby mode  
- **Precision Current Limit** for improved efficiency  

### **Package:**  
TO-220-7C (Through-hole)  

### **Applications:**  
- AC/DC power supplies  
- Adapters and chargers  
- Industrial and consumer power systems  

### **Additional Specifications:**  
- **Maximum Output Power:** Up to 29W (depending on design)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Efficiency Compliance:** Meets global energy efficiency standards  

For exact performance characteristics, refer to the official datasheet from Power Integrations.

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