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LM2672N-5.0 from NS,National Semiconductor

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LM2672N-5.0

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2672N-5.0,LM2672N50 NS 28 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features The LM2672N-5.0 is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Dropout Voltage:** ~1.3V (at full load)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**
- The LM2672N-5.0 is a monolithic, high-efficiency switching regulator designed for step-down (buck) applications.  
- It integrates a power switch, oscillator, control circuitry, and protection features in a single package.  
- Suitable for battery-powered and industrial applications requiring stable 5V output.  

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

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation from National Semiconductor (now part of Texas Instruments).

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features

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