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LM2676S-5.0. from NS,National Semiconductor

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LM2676S-5.0.

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676S-5.0.,LM2676S50 NS 10 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676S-5.0 is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **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 Buck Regulator  

### **Descriptions:**
The LM2676S-5.0 is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides a fixed 5.0V output with high efficiency, making it suitable for power supply applications requiring stable voltage conversion from higher input voltages.  

### **Features:**
- Simple and easy-to-use design  
- High efficiency (up to 92%)  
- Requires minimal external components  
- Built-in thermal shutdown and current limit protection  
- Adjustable soft-start capability  
- Low standby current in shutdown mode  
- Internal frequency compensation  

This regulator is commonly used in automotive, industrial, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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