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LM2670S-5.0 from NS,National Semiconductor

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LM2670S-5.0

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

Partnumber Manufacturer Quantity Availability
LM2670S-5.0,LM2670S50 NS 10 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync The LM2670S-5.0 is a step-down voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Regulation Type:** Switching Regulator (Buck Converter)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- **Simple and Efficient:** Provides a fixed 5V output with high efficiency, reducing heat dissipation.  
- **Internal Components:** Includes a fixed-frequency oscillator, thermal shutdown, current limiting, and an adjustable soft-start.  
- **Minimal External Components:** Requires only a few external components (inductor, diode, and capacitors) for operation.  
- **Low Power Standby Mode:** Consumes minimal current in shutdown mode.  
- **Fast Transient Response:** Suitable for applications requiring stable voltage under varying loads.  
- **Wide Input Voltage Range:** Supports operation from 8V to 40V, making it versatile for different power sources.  

This regulator is commonly used in power supply designs for industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

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