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LM2941SX from NS,National Semiconductor

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LM2941SX

Manufacturer: NS

1A Low Dropout Adjustable Regulator

Partnumber Manufacturer Quantity Availability
LM2941SX NS 432430 In Stock

Description and Introduction

1A Low Dropout Adjustable Regulator The LM2941SX is a low-dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Adjustable from 5V to 20V or fixed 5V, 12V, and 15V options  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load (1A)  
- **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 (SMD)  

### **Descriptions and Features:**  
- Designed for low dropout operation, making it suitable for battery-powered applications  
- Includes built-in current limiting and thermal shutdown protection  
- Low quiescent current helps improve efficiency  
- Stable with low-ESR output capacitors  
- Reverse battery protection  
- Adjustable output version requires external resistors for voltage setting  

This regulator is commonly used in automotive, industrial, and portable electronics where stable voltage regulation with minimal dropout is required.

Application Scenarios & Design Considerations

1A Low Dropout Adjustable Regulator

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