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LM2678S-ADJ. from NS,National Semiconductor

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LM2678S-ADJ.

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2678S-ADJ.,LM2678SADJ NS 110 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator The LM2678S-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Adjustable (1.21V to 37V)  
- **Output Current:** Up to 5A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Regulation Type:** Step-down (Buck) converter  

### **Descriptions and Features:**  
- Simple and easy-to-use adjustable switching regulator.  
- Requires minimal external components.  
- Includes internal soft-start and frequency compensation.  
- Features thermal shutdown and current limit protection.  
- Low standby current in shutdown mode.  
- High efficiency due to low dropout operation.  
- Suitable for battery-powered and industrial applications.  

This regulator is designed for high-performance power supply applications where efficiency and compact design are critical.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

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