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LM2678T-12 from NSC,National Semiconductor

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LM2678T-12

Manufacturer: NSC

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2678T-12,LM2678T12 NSC 450 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator The LM2678T-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  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**  
The LM2678T-12 is a step-down (buck) switching regulator that provides a fixed 12V output. It integrates a high-efficiency DC-DC converter with a power switch, oscillator, control circuitry, and protection features.  

### **Features:**  
- Simple-to-use, requiring minimal external components  
- Internal soft-start for controlled inrush current  
- Thermal shutdown and current limit protection  
- Low standby current in shutdown mode  
- Adjustable output version available (LM2678)  

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

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