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LM2940SX-8.0 from NS,National Semiconductor

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LM2940SX-8.0

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940SX-8.0,LM2940SX80 NS 338 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940SX-8.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 8.0V  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.3% (Typical)  
- **Load Regulation:** 0.4% (Typical)  
- **Quiescent Current:** 10mA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (SMD)  

### **Descriptions and Features:**  
- Designed for low-dropout performance, making it suitable for battery-powered applications.  
- Includes internal current limiting and thermal shutdown protection.  
- Stable with low-ESR capacitors (≥10µF recommended).  
- Reverse battery protection.  
- Low quiescent current in standby mode.  
- Suitable for automotive and industrial applications.  

The LM2940SX-8.0 is commonly used in power supply circuits requiring stable 8V output with minimal voltage dropout.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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