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LM2940CSX-5.0 NOPB from NSC,National Semiconductor

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LM2940CSX-5.0 NOPB

Manufacturer: NSC

1A Low Dropout Regulator 3-DDPAK/TO-263 0 to 125

Partnumber Manufacturer Quantity Availability
LM2940CSX-5.0 NOPB,LM2940CSX50NOPB NSC 2500 In Stock

Description and Introduction

1A Low Dropout Regulator 3-DDPAK/TO-263 0 to 125 The LM2940CSX-5.0 NOPB 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 (maximum)  
- **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 Type:** TO-263 (D2PAK)  

### **Descriptions:**
- The LM2940CSX-5.0 NOPB is a fixed-output, low-dropout (LDO) voltage regulator designed to provide a stable 5.0V output.  
- It is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.  
- The regulator includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even when the input voltage is close to the output voltage.  
- **Thermal Shutdown Protection:** Prevents damage due to excessive heat.  
- **Short-Circuit Protection:** Safeguards the regulator in case of output short circuits.  
- **Reverse Battery Protection:** Protects against reverse polarity connection.  
- **Low Quiescent Current:** Reduces power consumption in standby mode.  
- **Stable with Low-ESR Capacitors:** Works reliably with inexpensive capacitors.  

This regulator is commonly used in automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

1A Low Dropout Regulator 3-DDPAK/TO-263 0 to 125

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