SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features The LM2671N-5.0 is a step-down (buck) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 6.5V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  
- **Regulation Type:** Switching Regulator  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions & Features:**  
- Simple and easy-to-use buck regulator.  
- Requires minimal external components.  
- Internal soft-start reduces inrush current.  
- Low standby current in shutdown mode.  
- Adjustable version available (LM2671N-ADJ).  
- Suitable for battery-powered and industrial applications.  

This regulator is designed for efficient power conversion with high reliability.

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features