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LM2675N-3.3 from NS,National Semiconductor

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LM2675N-3.3

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2675N-3.3,LM2675N33 NS 3 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator The LM2675N-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 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2675N-3.3 is a monolithic integrated circuit that provides all active functions for a step-down 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  
- High efficiency (up to 92%)  
- Wide input voltage range (8V to 40V)  
- Fixed 3.3V output  
- Internal soft-start for reduced inrush current  
- Thermal shutdown and current limit protection  
- TO-220 package for easy mounting  

This regulator is commonly used in power supply applications where a stable 3.3V output is required from a higher input voltage.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator

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