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LM2674M-1.2 from NS,National Semiconductor

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LM2674M-1.2

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2674M-1.2,LM2674M12 NS 10 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674M-1.2 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 1.2V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The LM2674M-1.2 is a monolithic integrated circuit that provides all the 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  
- Thermal shutdown and current limit protection  
- Low power standby mode (shutdown pin)  
- High efficiency (up to 90%)  
- Fixed output voltage (1.2V)  

This regulator is suitable for applications requiring a stable, low-voltage power supply from a higher input voltage source.

Application Scenarios & Design Considerations

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

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