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KA5H0280RTU from FAIRCHILD,Fairchild Semiconductor

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KA5H0280RTU

Manufacturer: FAIRCHILD

2A/800V 100KHz Power Switch

Partnumber Manufacturer Quantity Availability
KA5H0280RTU FAIRCHILD 198 In Stock

Description and Introduction

2A/800V 100KHz Power Switch **KA5H0280RTU Manufacturer: FAIRCHILD**  

### **Specifications:**  
- **Type:** Switching Power Supply IC  
- **Topology:** Flyback Converter  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 23W  
- **Switching Frequency:** 100kHz (fixed)  
- **Output Voltage:** Adjustable (depends on external components)  
- **Maximum Duty Cycle:** 72%  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** TO-220F (5-pin)  

### **Descriptions:**  
The KA5H0280RTU is a high-voltage PWM controller IC designed for offline flyback converters in power supply applications. It integrates a high-voltage MOSFET and control circuitry, making it suitable for compact and efficient power supplies.  

### **Features:**  
- Built-in high-voltage MOSFET (650V, 2.5A)  
- Low standby power consumption  
- Overvoltage protection (OVP)  
- Overcurrent protection (OCP)  
- Thermal shutdown protection  
- Soft-start function  
- Auto-restart mode for fault conditions  
- Internal startup circuit  

This IC is commonly used in AC/DC adapters, LED drivers, and auxiliary power supplies.

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