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LM2673T-12 from NS,National Semiconductor

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LM2673T-12

Manufacturer: NS

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit

Partnumber Manufacturer Quantity Availability
LM2673T-12,LM2673T12 NS 500 In Stock

Description and Introduction

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit The LM2673T-12 is a switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Package Type:** TO-220 (5-pin)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2673T-12 is a step-down (buck) switching regulator that provides a fixed 12V output with high efficiency. It simplifies power supply design by integrating a power switch, oscillator, and control circuitry.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal soft-start for reduced inrush current  
- Low standby current in shutdown mode  
- Adjustable output version also available (LM2673)  

This regulator is commonly used in industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit

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