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LM2940T-12.0 from NS,National Semiconductor

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LM2940T-12.0

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940T-12.0,LM2940T120 NS 2123 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940T-12.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 12V  
- **Output Current:** 1A  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220  

### **Descriptions:**  
- The LM2940T-12.0 is a fixed 12V LDO regulator designed to provide a stable output voltage with low dropout, making it suitable for battery-powered applications.  
- It includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient regulation even when the input voltage is close to the output.  
- **Thermal Shutdown Protection:** Prevents damage due to overheating.  
- **Short-Circuit Protection:** Safeguards the regulator from excessive current.  
- **Reverse Battery Protection:** Protects the device from reverse polarity.  
- **Low Quiescent Current:** Improves efficiency in battery-operated systems.  

This information is based on the manufacturer's datasheet. For detailed performance graphs and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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