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LM2673SDX-3.3/NOPB from NSC,National Semiconductor

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LM2673SDX-3.3/NOPB

Manufacturer: NSC

3A Step-Down Voltage Regulator with Adjustable Current Limit 14-VSON -40 to 125

Partnumber Manufacturer Quantity Availability
LM2673SDX-3.3/NOPB,LM2673SDX33NOPB NSC 140 In Stock

Description and Introduction

3A Step-Down Voltage Regulator with Adjustable Current Limit 14-VSON -40 to 125 The LM2673SDX-3.3/NOPB is a step-down voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **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:** SOIC-8 (Exposed Pad)  
- **Regulation Type:** Switching Regulator  
- **Topology:** Buck Converter  

### **Descriptions & Features:**  
- **Simple and Efficient:** Provides a high-efficiency step-down conversion with minimal external components.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Current Limiting:** Protects the device from overheating and overcurrent conditions.  
- **Low Power Standby Mode:** Enhances efficiency in light-load conditions.  
- **Fixed Output Voltage:** Eliminates the need for external feedback resistors.  
- **Wide Input Voltage Range:** Suitable for industrial and automotive applications.  

This regulator is commonly used in power supply designs for embedded systems, industrial controls, and automotive electronics.

Application Scenarios & Design Considerations

3A Step-Down Voltage Regulator with Adjustable Current Limit 14-VSON -40 to 125

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