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LM2940LD-5.0 from NS,National Semiconductor

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LM2940LD-5.0

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940LD-5.0,LM2940LD50 NS 200 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940LD-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V  
- **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 Type:** TO-252 (DPAK)  

### **Descriptions:**
- The LM2940LD-5.0 is a fixed-output LDO regulator designed to provide a stable 5V output with low dropout voltage.  
- It includes built-in protection features such as thermal shutdown and current limiting.  
- Suitable for battery-powered applications due to its low quiescent current.  

### **Features:**
- Low dropout voltage (0.5V typical at full load)  
- Internal current and thermal protection  
- Reverse battery protection  
- Low quiescent current  
- Stable with low-ESR output capacitors  

This information is based on the manufacturer's datasheet. For detailed performance characteristics, refer to the official documentation.

Application Scenarios & Design Considerations

1A Low Dropout Regulator
Partnumber Manufacturer Quantity Availability
LM2940LD-5.0,LM2940LD50 NSC 670 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940LD-5.0 is a low-dropout voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 5.0V  
- **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-252 (DPAK)  

### **Descriptions:**  
The LM2940LD-5.0 is a fixed-output, low-dropout voltage regulator designed to provide a stable 5V output with high efficiency. It features internal current limiting, thermal shutdown, and reverse battery protection.  

### **Features:**  
- Low dropout voltage (0.5V typical at 1A)  
- Internal short-circuit current limit  
- Thermal overload protection  
- Reverse battery protection  
- Low quiescent current  
- High ripple rejection  
- Available in surface-mount (DPAK) package  

This regulator is commonly used in automotive, industrial, and battery-powered applications.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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