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LM2679SD-ADJ from NS,National Semiconductor

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LM2679SD-ADJ

Manufacturer: NS

SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit

Partnumber Manufacturer Quantity Availability
LM2679SD-ADJ,LM2679SDADJ NS 450 In Stock

Description and Introduction

SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit The LM2679SD-ADJ is a switching regulator manufactured by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Adjustable (1.23V to 37V)  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 7-Lead LLP (SD)  

### **Descriptions:**
- The LM2679SD-ADJ is a step-down (buck) switching voltage regulator designed for high-efficiency power conversion.  
- It includes an adjustable output voltage feature, allowing flexibility in various applications.  
- The device integrates a high-side N-channel MOSFET switch for improved efficiency.  

### **Features:**
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Minimizes power loss.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Current Limit Protection:** Safeguards against overcurrent.  
- **Wide Input Voltage Range:** Suitable for various power sources.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit

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