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LM2674LDX-3.3 from NS,National Semiconductor

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LM2674LDX-3.3

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2674LDX-3.3,LM2674LDX33 NS 2847 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator The LM2674LDX-3.3 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (LD)  

### **Descriptions:**  
- The LM2674LDX-3.3 is a monolithic integrated circuit that provides step-down (buck) DC-DC conversion.  
- It is designed for simplicity and efficiency, requiring minimal external components.  
- Features internal frequency compensation and a fixed-frequency oscillator.  

### **Features:**  
- **Simple and Efficient Design:** Requires only 5 external components.  
- **Low Power Consumption:** 50µA shutdown current.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  

This information is based strictly on the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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