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LM2677SD-ADJ from NS,National Semiconductor

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LM2677SD-ADJ

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2677SD-ADJ,LM2677SDADJ NS 1222 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync The LM2677SD-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Adjustable Output Voltage:** 1.23V to 37V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (Surface Mount)  

### **Descriptions:**
- The LM2677SD-ADJ is a step-down (buck) switching regulator designed for high-efficiency power conversion.  
- It integrates a high-side N-channel MOSFET switch for minimal power loss.  
- The adjustable version allows the output voltage to be set using an external resistor divider.  

### **Features:**
- **Simple Design:** Requires minimal external components.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Wide Input Voltage Range:** Suitable for automotive and industrial applications.  
- **Low Power Standby Mode:** Improves efficiency at light loads.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

Application Scenarios & Design Considerations

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

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