IC Phoenix logo

Home ›  L  › L29 > LM2678SX-12

LM2678SX-12 from NSC,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM2678SX-12

Manufacturer: NSC

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2678SX-12,LM2678SX12 NSC 205 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator The LM2678SX-12 is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **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-263-7 (DDPAK-7)  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2678SX-12 is a monolithic high-efficiency switching regulator designed for step-down (buck) voltage conversion. It integrates a 5A switch and requires minimal external components, making it suitable for high-efficiency power supply designs.  

### **Features:**  
- Simple and easy-to-design switching regulator  
- High efficiency (up to 92%)  
- Requires only 6 external components  
- Internal soft-start reduces inrush current  
- Fixed-frequency oscillator (260 kHz)  
- Thermal shutdown and current limit protection  
- Low power standby mode (shutdown pin)  

This information is based on the manufacturer’s datasheet and product documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips