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LM2677SDX-ADJ from NS,National Semiconductor

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LM2677SDX-ADJ

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2677SDX-ADJ,LM2677SDXADJ NS 37 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync The LM2677SDX-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-7 (D2PAK)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**
The LM2677SDX-ADJ is a step-down (buck) switching regulator designed for high-efficiency power conversion. It integrates a high-side N-channel MOSFET switch and requires minimal external components. The adjustable output voltage is set using an external resistor divider.  

### **Features:**
- **Simple and Efficient Design:** Requires only a few external components.  
- **High Efficiency:** Minimizes power dissipation.  
- **Wide Input Voltage Range:** Suitable for various applications.  
- **Adjustable Output:** Allows flexibility in setting the desired voltage.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects against excessive load conditions.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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