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LM2673SD-3.3/NOPB from NSC,National Semiconductor

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LM2673SD-3.3/NOPB

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2673SD-3.3/NOPB,LM2673SD33NOPB NSC 90 In Stock

Description and Introduction

3A Step-Down Voltage Regulator with Adjustable Current Limit 14-VSON -40 to 125 The LM2673SD-3.3/NOPB is a switching 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 (D2PAK)  
- **Regulator Type:** Buck (Step-Down)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Simple and easy-to-use step-down switching regulator.  
- Requires minimal external components.  
- Includes an internal oscillator, fixed-frequency PWM control, and a high-efficiency NPN switch.  
- Low standby current (50 µA typical) in shutdown mode.  
- Soft-start function to reduce inrush current.  
- Suitable for battery-powered and industrial applications.  

This regulator is designed for applications requiring efficient power conversion with a stable 3.3V output.

Application Scenarios & Design Considerations

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

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