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LM2674MX-5.0/NOPB from NSC,National Semiconductor

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LM2674MX-5.0/NOPB

Manufacturer: NSC

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

Partnumber Manufacturer Quantity Availability
LM2674MX-5.0/NOPB,LM2674MX50NOPB NSC 47 In Stock

Description and Introduction

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125 The **LM2674MX-5.0/NOPB** is a switching voltage regulator manufactured by **National Semiconductor (NSC)**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (Surface Mount)  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
- The LM2674MX-5.0/NOPB is a **simple, efficient, and cost-effective** step-down DC-DC converter.  
- It integrates a **high-efficiency switching regulator** with a fixed 5.0V output, reducing external component count.  
- Designed for **battery-powered and industrial applications** requiring stable voltage regulation.  

### **Features:**  
- **Simple Design:** Requires minimal external components.  
- **High Efficiency:** Up to 90%, reducing power dissipation.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Current Limiting:** Prevents damage from excessive load currents.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  

This regulator is commonly used in **power supplies, industrial controls, automotive systems, and battery-powered devices**.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

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