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LM2671M-1.2 from NS,National Semiconductor

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LM2671M-1.2

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2671M-1.2,LM2671M12 NS 10 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features The LM2671M-1.2 is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 1.2V (fixed)  
- **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  

### **Descriptions:**
- The LM2671M-1.2 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.  
- It is designed for simplicity and efficiency, requiring minimal external components.  
- Includes built-in frequency compensation and a fixed-frequency oscillator.  

### **Features:**
- **Simple Design:** Requires only 5 external components.  
- **High Efficiency:** Uses a low ON-resistance DMOS power switch.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Low Power Standby Mode:** Improves efficiency at light loads.  

This regulator is commonly used in power supply applications requiring a stable 1.2V output from higher input voltages.

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