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LM2991T from NS,National Semiconductor

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LM2991T

Manufacturer: NS

Negative Low Dropout Adjustable Regulator

Partnumber Manufacturer Quantity Availability
LM2991T NS 19460 In Stock

Description and Introduction

Negative Low Dropout Adjustable Regulator The LM2991T is a negative low-dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed -5V  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.6V at full load  
- **Input Voltage Range:** -5.5V to -26V  
- **Line Regulation:** 0.015% (Typical)  
- **Load Regulation:** 0.05% (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220  

### **Descriptions:**  
The LM2991T is designed to provide a stable -5V output with high efficiency and low dropout voltage. It includes features like thermal shutdown and current limit protection.  

### **Features:**  
- Fixed -5V output  
- Low dropout voltage  
- Thermal shutdown protection  
- Current limit protection  
- High ripple rejection  
- Stable with low-ESR capacitors  

This regulator is commonly used in power supply applications requiring a negative voltage rail.

Application Scenarios & Design Considerations

Negative Low Dropout Adjustable Regulator

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