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LM2673SD-ADJ from NS,National Semiconductor

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LM2673SD-ADJ

Manufacturer: NS

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit

Partnumber Manufacturer Quantity Availability
LM2673SD-ADJ,LM2673SDADJ NS 876 In Stock

Description and Introduction

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit The LM2673SD-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS).  

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

### **Descriptions:**  
The LM2673SD-ADJ is a step-down (buck) switching regulator designed for high-efficiency power conversion. It integrates a high-side N-channel MOSFET and requires minimal external components. The adjustable output version allows flexibility in setting the desired voltage.  

### **Features:**  
- **Simple and Easy to Design:** Requires only 5 external components.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown & Current Limiting:** Protects against overloads.  
- **Low Power Standby Mode:** Enhances efficiency at light loads.  
- **Wide Input Voltage Range:** Suitable for various applications.  
- **High Efficiency:** Minimizes power loss.  

This regulator is commonly used in power supplies, industrial systems, automotive electronics, and battery-powered applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit

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