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LM2676SX-12 from NSC进口,National Semiconductor

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LM2676SX-12

Manufacturer: NSC进口

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676SX-12,LM2676SX12 NSC进口 48000 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676SX-12 is a step-down voltage regulator manufactured by National Semiconductor (NSC). Here are its key specifications, descriptions, and features:  

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

### **Descriptions:**  
- The LM2676SX-12 is a monolithic integrated circuit designed for step-down (buck) DC-DC voltage regulation.  
- It integrates a high-efficiency switching regulator with a fixed 12V output.  
- Suitable for applications requiring high current with minimal external components.  

### **Features:**  
- **Simple Design:** Requires few external components.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown & Current Limiting:** Protects the device under fault conditions.  
- **Low Power Standby Mode:** Enhances efficiency in light-load conditions.  
- **High Efficiency:** Minimizes power dissipation.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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