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KA5M0280RYDTU from FAIRCHILD,Fairchild Semiconductor

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KA5M0280RYDTU

Manufacturer: FAIRCHILD

2A/800V 70KHz Power Switch

Partnumber Manufacturer Quantity Availability
KA5M0280RYDTU FAIRCHILD 567 In Stock

Description and Introduction

2A/800V 70KHz Power Switch **Part Number:** KA5M0280RYDTU  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** Switching Power Supply IC  
- **Topology:** Flyback Converter  
- **Input Voltage Range:** 85V AC to 265V AC  
- **Output Power:** Up to 5W  
- **Switching Frequency:** 100 kHz (typical)  
- **Output Voltage:** Adjustable (depends on external components)  
- **Current Limit Protection:** Yes  
- **Overvoltage Protection (OVP):** Yes  
- **Thermal Shutdown Protection:** Yes  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** TO-92 (3-pin)  

### **Descriptions:**  
The KA5M0280RYDTU is a monolithic IC designed for offline flyback converters, commonly used in low-power SMPS (Switched-Mode Power Supply) applications. It integrates a high-voltage power MOSFET and PWM controller, making it suitable for compact power supply designs.  

### **Features:**  
- Built-in high-voltage power MOSFET (650V)  
- Low standby power consumption  
- Auto-restart protection for overload and short-circuit conditions  
- Frequency jittering for reduced EMI  
- Internal startup circuit  
- Soft-start function for reduced inrush current  

This IC is typically used in adapters, chargers, and auxiliary power supplies.  

(Note: Always refer to the official datasheet for detailed technical specifications and application guidelines.)

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