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LM2677S-12 from NSC,National Semiconductor

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LM2677S-12

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2677S-12,LM2677S12 NSC 500 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync The LM2677S-12 is a switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 5A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
- A step-down (buck) switching regulator with a built-in high-efficiency power switch.  
- Provides a fixed 12V output with minimal external components.  
- Features thermal shutdown and current limiting for protection.  

### **Features:**  
- Simple and easy-to-use design.  
- Low dropout operation.  
- Internal soft-start reduces inrush current.  
- Adjustable output version available (LM2677).  
- Requires only a few external components (inductor, diode, capacitors).  

This information is based on the manufacturer's datasheet for the LM2677S-12.

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