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LM2940IMPX-5.0 from NSC,National Semiconductor

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LM2940IMPX-5.0

Manufacturer: NSC

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940IMPX-5.0,LM2940IMPX50 NSC 600 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940IMPX-5.0 is a low-dropout voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V  
- **Output Current:** 1A (max)  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** 5.5V 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 LM2940IMPX-5.0 is a fixed 5.0V low-dropout (LDO) regulator designed to provide a stable output voltage with minimal input-output differential.  
- It includes built-in protection features such as thermal shutdown, current limiting, and reverse battery protection.  
- Suitable for battery-powered applications due to its low quiescent current.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even when the input voltage is close to the output voltage.  
- **Thermal Shutdown Protection:** Prevents damage due to excessive heat.  
- **Current Limiting:** Protects the regulator and load from overcurrent conditions.  
- **Reverse Battery Protection:** Safeguards the circuit if the input polarity is reversed.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

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

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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