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LM2677SD-5.0 from NS,National Semiconductor

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LM2677SD-5.0

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync

Partnumber Manufacturer Quantity Availability
LM2677SD-5.0,LM2677SD50 NS 42 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync The LM2677SD-5.0 is a step-down voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Package:** SOIC-8 (SD)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- **Simple and Efficient:** Provides a fixed 5V output with minimal external components.  
- **High Efficiency:** Uses a buck regulator topology for improved power conversion.  
- **Wide Input Range:** Supports input voltages from 8V to 40V.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Protection:** Shuts down if the temperature exceeds safe limits.  
- **Current Limiting:** Protects against output short circuits.  

This regulator is commonly used in power supply applications requiring high efficiency and compact design.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync

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