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LM2940SX-10 from NSC,National Semiconductor

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LM2940SX-10

Manufacturer: NSC

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940SX-10,LM2940SX10 NSC 479 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940SX-10 is a low dropout voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 10V  
- **Output Current:** 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:** TO-263 (D2PAK)  

### **Descriptions and Features:**  
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **Internal Current and Thermal Limiting:** Protects against overload conditions.  
- **Reverse Battery Protection:** Withstands reverse polarity up to -20V.  
- **Short-Circuit Protection:** Safeguards the regulator during fault conditions.  
- **Low Quiescent Current:** Reduces power consumption in standby modes.  
- **Stable with Low-ESR Capacitors:** Works reliably with inexpensive capacitors.  

This regulator is commonly used in automotive, industrial, and consumer electronics applications requiring stable 10V power.

Application Scenarios & Design Considerations

1A Low Dropout Regulator
Partnumber Manufacturer Quantity Availability
LM2940SX-10,LM2940SX10 NS 4000 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940SX-10 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 10V (fixed)  
- **Output Current:** 1A (max)  
- **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-263 (D2PAK)  

### **Descriptions and Features:**  
- Designed for low-voltage, high-current applications.  
- Includes thermal shutdown and current limit protection.  
- Stable with low-ESR capacitors (≥ 22µF recommended).  
- Suitable for battery-powered systems due to low dropout voltage.  
- Lead-free and RoHS-compliant.  

The LM2940SX-10 is commonly used in automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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