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LM2678SX-5.0/NOPB from 进口原装

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LM2678SX-5.0/NOPB

Manufacturer: 进口原装

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2678SX-5.0/NOPB,LM2678SX50NOPB 进口原装 30 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125 The LM2678SX-5.0/NOPB is a step-down voltage regulator manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:  

### **Manufacturer:**  
- **Texas Instruments** (进口原装 / Original Import)  

### **Specifications:**  
- **Output Voltage:** 5.0V (Fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-7 (DDPAK/TO-263)  
- **Regulation Type:** Switching Regulator (Buck Converter)  
- **Protection Features:** Thermal Shutdown, Current Limiting  

### **Descriptions:**  
- The LM2678SX-5.0/NOPB is a monolithic high-efficiency step-down (buck) switching regulator.  
- It integrates a 5A NPN switch and features a fixed 5.0V output.  
- Designed for simplicity, it requires minimal external components.  

### **Features:**  
- **High Efficiency** (up to 92%)  
- **Wide Input Voltage Range** (8V to 40V)  
- **Fixed 5.0V Output**  
- **5A Output Current Capability**  
- **Internal Soft-Start & Frequency Compensation**  
- **Thermal Shutdown Protection**  
- **Current Limiting Protection**  
- **TO-263-7 Package for Improved Thermal Performance**  

This regulator is commonly used in industrial, automotive, and power supply applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125
Partnumber Manufacturer Quantity Availability
LM2678SX-5.0/NOPB,LM2678SX50NOPB N/A 50 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125 The LM2678SX-5.0/NOPB is a step-down voltage regulator manufactured by Texas Instruments (N/A refers to the manufacturer not being specified, but Texas Instruments is the actual manufacturer).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263-7 (D2PAK)  
- **Regulation Type:** Switching Regulator (Buck Converter)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions and Features:**  
- **High Efficiency:** Uses a buck converter topology for efficient power conversion.  
- **Simple Design:** Requires minimal external components.  
- **Fixed Output:** Provides a stable 5.0V output.  
- **Wide Input Range:** Suitable for a variety of industrial and automotive applications.  
- **Thermal Protection:** Includes built-in thermal shutdown for safety.  
- **Current Limiting:** Protects against overcurrent conditions.  
- **Low Power Standby Mode:** Enhances efficiency in low-load conditions.  

This regulator is commonly used in power supply designs for industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125
Partnumber Manufacturer Quantity Availability
LM2678SX-5.0/NOPB,LM2678SX50NOPB NS 10 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125 The LM2678SX-5.0/NOPB is a switching voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **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/TO-263)  
- **Regulation Type:** Step-Down (Buck)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2678SX-5.0/NOPB is a monolithic high-efficiency switching regulator designed for step-down (buck) applications. It integrates a 5A DMOS switch and requires minimal external components, making it suitable for high-efficiency power supply designs.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 5 external components  
- Internal soft-start for reduced inrush current  
- Low power standby mode  
- Adjustable output version available (LM2678)  
- High efficiency (up to 92%)  
- Thermal shutdown and current limit protection  

This regulator is commonly used in industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125
Partnumber Manufacturer Quantity Availability
LM2678SX-5.0/NOPB,LM2678SX50NOPB NSC 2000 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125 The **LM2678SX-5.0/NOPB** is a switching voltage regulator manufactured by **National Semiconductor (NSC)**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **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 Type:** TO-263-7 (D2PAK)  
- **Regulator Type:** Step-Down (Buck)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
- A **monolithic integrated circuit** providing all active functions for a step-down switching regulator.  
- Designed for **high-efficiency power conversion** with minimal external components.  
- Suitable for **battery-powered systems, industrial, and automotive applications**.  

### **Features:**  
- **Simple and easy-to-use** with minimal external components.  
- **High efficiency** (up to 92%).  
- **Wide input voltage range** (8V to 40V).  
- **Fixed 5.0V output** with ±2% tolerance.  
- **Internal soft-start** to reduce inrush current.  
- **Thermal shutdown and current limit protection**.  
- **Low standby current** in shutdown mode.  

This regulator is designed for **high-performance, cost-sensitive applications** requiring efficient power conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator 7-DDPAK/TO-263 -40 to 125

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