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LM2673S-12 from NS,National Semiconductor

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15.625ms

LM2673S-12

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2673S-12,LM2673S12 NS 16696 In Stock

Description and Introduction

SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit The LM2673S-12 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2673S-12 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for high efficiency and simplicity, requiring minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 5 external components  
- Internal soft-start reduces inrush current  
- Low power standby mode  
- Adjustable output version available (LM2673)  
- High efficiency switching regulator  

This regulator is suitable for applications such as power supplies, industrial controls, and automotive systems.

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