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LM2672MX-ADJ from NS,National Semiconductor

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LM2672MX-ADJ

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2672MX-ADJ,LM2672MXADJ NS 1387 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features The LM2672MX-ADJ is a switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** Adjustable (1.21V to 37V)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  
- **Regulation Type:** Buck (Step-Down)  
- **Control Method:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**
The LM2672MX-ADJ is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides high efficiency and requires minimal external components. The adjustable output version allows flexibility in setting the desired output voltage using external resistors.

### **Features:**
- **Simple and Easy-to-Use:** Requires only 5 external components.  
- **High Efficiency:** Up to 92% efficiency reduces power dissipation.  
- **Wide Input Voltage Range:** 8V to 40V input range.  
- **Adjustable Output:** Output can be set from 1.21V to 37V.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects the device from excessive load current.  
- **Fixed Frequency Operation:** 260 kHz switching frequency minimizes noise.  

This information is strictly based on the manufacturer's datasheet and knowledge base.

Application Scenarios & Design Considerations

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

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