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LM2940SX-12 from NS,National Semiconductor

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LM2940SX-12

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940SX-12,LM2940SX12 NS 95 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940SX-12 is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 12V (fixed)  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load (1A)  
- **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:** TO-263 (SMD)  

### **Descriptions:**  
- The LM2940SX-12 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 12V output.  
- It is suitable for applications requiring efficient power regulation with minimal voltage drop.  
- The device includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- Low dropout voltage (0.5V typical at 1A)  
- Reverse battery protection  
- Internal short-circuit current limiting  
- Thermal shutdown protection  
- High ripple rejection (75dB typical)  
- Stable with low-ESR output capacitors  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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