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LM2940 from NS,National Semiconductor

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LM2940

Manufacturer: NS

1.25A High Current Low Dropout Voltage Regulator Adjustable

Partnumber Manufacturer Quantity Availability
LM2940 NS 45000 In Stock

Description and Introduction

1.25A High Current Low Dropout Voltage Regulator Adjustable The LM2940 is a low dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage Options:** 5V, 8V, 9V, 10V, 12V, 15V  
- **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 Types:** TO-220, TO-263 (D2PAK), SOT-223  

### **Descriptions:**  
The LM2940 is a fixed-output, low-dropout regulator designed to provide a stable voltage supply with minimal power loss. It includes features such as thermal shutdown and current limiting for protection.  

### **Features:**  
- Low dropout voltage (0.5V typical at 1A)  
- Reverse battery protection  
- Internal short-circuit current limit  
- Thermal shutdown protection  
- High ripple rejection (75dB typical)  
- Available in multiple fixed output voltages  
- Suitable for battery-powered applications  

This information is based on the manufacturer's datasheet.

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