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LM2676S-5.0 from 国半

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LM2676S-5.0

Manufacturer: 国半

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676S-5.0,LM2676S50 国半 2090 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676S-5.0 is a switching voltage regulator manufactured by National Semiconductor (国半). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-7 (D2PAK)  

### **Descriptions:**
- The LM2676S-5.0 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.  
- It is designed for high-efficiency power conversion with minimal external components.  
- Includes a fixed-frequency oscillator, thermal shutdown, current limiting, and an adjustable soft-start feature.  

### **Features:**
- **Simple and Easy to Design:** Requires only 5 external components.  
- **High Efficiency:** Uses a low ON-resistance DMOS power switch.  
- **Internal Frequency Compensation:** Reduces external component count.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Wide Input Voltage Range:** Suitable for various applications.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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