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KA1H0680RFBTU from FAIRCHILD,Fairchild Semiconductor

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KA1H0680RFBTU

Manufacturer: FAIRCHILD

Fairchild Power Switch(FPS)

Partnumber Manufacturer Quantity Availability
KA1H0680RFBTU FAIRCHILD 35 In Stock

Description and Introduction

Fairchild Power Switch(FPS) **Part Number:** KA1H0680RFBTU  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** Switching Regulator IC  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 6W  
- **Switching Frequency:** 100 kHz  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** TO-220F (Insulated)  
- **Control Method:** PWM (Pulse Width Modulation)  
- **Protection Features:** Overload Protection (OLP), Overvoltage Protection (OVP), Thermal Shutdown  

### **Descriptions:**  
The KA1H0680RFBTU is a high-voltage switching regulator IC designed for offline flyback converters. It integrates a power MOSFET and PWM controller, making it suitable for low-power AC/DC applications such as power adapters and auxiliary power supplies.  

### **Features:**  
- Built-in high-voltage power MOSFET  
- Low standby power consumption  
- Auto-restart protection for overload and short-circuit conditions  
- Internal soft-start for reduced inrush current  
- Frequency jittering for improved EMI performance  
- Isolated TO-220F package for enhanced thermal performance  

This information is based on Fairchild's datasheet for the KA1H0680RFBTU.

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