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LM2940T-12 from NS,National Semiconductor

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LM2940T-12

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940T-12,LM2940T12 NS 47 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940T-12 is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Output Voltage:** 12V  
- **Output Current:** 1A  
- **Dropout Voltage:** 0.5V (typical 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-220  

### **Descriptions:**  
- The LM2940T-12 is a fixed-output, low-dropout regulator designed to provide a stable 12V output with high efficiency.  
- It includes features such as internal current limiting, thermal shutdown, and reverse battery protection.  
- Suitable for battery-powered applications due to its low dropout voltage.  

### **Features:**  
- Low dropout voltage (0.5V typical at full load)  
- Internal short-circuit current limiting  
- Thermal shutdown protection  
- Reverse battery protection  
- High ripple rejection (75dB typical)  
- Available in a TO-220 package  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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