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KA7818ETU from FSC,Fairchild Semiconductor

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KA7818ETU

Manufacturer: FSC

3-Terminal 1A Positive Voltage Regulator

Partnumber Manufacturer Quantity Availability
KA7818ETU FSC 10000 In Stock

Description and Introduction

3-Terminal 1A Positive Voltage Regulator The part **KA7818ETU** is a voltage regulator IC manufactured by **Fairchild Semiconductor (FSC)**.  

### **Specifications:**  
- **Output Voltage:** +18V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** Up to 35V (recommended to stay within limits for stability)  
- **Dropout Voltage:** ~2V (minimum input-to-output difference for regulation)  
- **Line Regulation:** 0.01%/V (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package:** TO-220 (through-hole, 3-pin)  

### **Descriptions & Features:**  
- **Linear Voltage Regulator:** Provides stable +18V output from a higher input voltage.  
- **Thermal Overload Protection:** Shuts down if excessive temperature is detected.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Internal Current Limiting:** Prevents damage from excessive current draw.  
- **Low Cost & Reliable:** Suitable for industrial, automotive, and consumer applications.  

This IC is commonly used in power supply circuits requiring a fixed +18V output.

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