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LM2674 from NS,National Semiconductor

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LM2674

Manufacturer: NS

SIMPLE SWITCHER ?Power Converter High Efficiency 500 mA Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2674 NS 50 In Stock

Description and Introduction

SIMPLE SWITCHER ?Power Converter High Efficiency 500 mA Step-Down Voltage Regulator The LM2674 is a switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Output Voltage:** Adjustable from 1.2V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, TO-263 (D2PAK), and SOIC-8  

### **Descriptions:**
The LM2674 is a step-down (buck) switching voltage regulator designed for high-efficiency power conversion. It integrates a power MOSFET switch, simplifying circuit design while providing high performance. The regulator is suitable for a wide range of applications, including industrial, automotive, and consumer electronics.

### **Features:**
- **Simple Design:** Requires minimal external components.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Current Limiting:** Protects against overloads.  
- **Low Power Standby Mode:** Enhances efficiency in light-load conditions.  
- **Wide Input Voltage Range:** Supports 8V to 40V operation.  

The LM2674 is a robust and efficient solution for DC-DC voltage regulation applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER ?Power Converter High Efficiency 500 mA Step-Down Voltage Regulator

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