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KA5M0365RYDTU from FAIRCHILD,Fairchild Semiconductor

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KA5M0365RYDTU

Manufacturer: FAIRCHILD

3A/650V 70KHz Power Switch

Partnumber Manufacturer Quantity Availability
KA5M0365RYDTU FAIRCHILD 5 In Stock

Description and Introduction

3A/650V 70KHz Power Switch **Part Number:** KA5M0365RYDTU  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** Switching Power Supply IC  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V AC to 265V AC  
- **Output Power:** Up to 35W (depending on design)  
- **Switching Frequency:** 65kHz (typical)  
- **Output Voltage:** Adjustable (depends on external components)  
- **Current Limit:** Built-in  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** TO-220F (isolated type)  

### **Descriptions:**  
The KA5M0365RYDTU is a high-voltage power switching regulator IC designed for offline flyback converters. It integrates a PWM controller and a high-voltage MOSFET, making it suitable for compact and efficient power supply designs.  

### **Features:**  
- Built-in 650V MOSFET  
- Low standby power consumption  
- Overvoltage protection (OVP)  
- Overcurrent protection (OCP)  
- Thermal shutdown protection  
- Auto-restart function for fault conditions  
- Soft-start function to reduce inrush current  

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

(Note: FAIRCHILD is likely a misspelling of **Fairchild Semiconductor**, which was acquired by ON Semiconductor.)

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