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LM2676T-12 from NS,National Semiconductor

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LM2676T-12

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676T-12,LM2676T12 NS 40 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676T-12 is a step-down voltage regulator manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**
- The LM2676T-12 is a monolithic high-efficiency switching regulator designed for step-down (buck) applications.  
- It integrates a power switch, oscillator, control circuitry, and protection features in a single package.  
- Suitable for battery-powered systems, industrial controls, and automotive applications.  

### **Features:**
- **Simple Design:** Requires minimal external components.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown & Current Limiting:** Protects against overloads.  
- **Low Power Standby Mode:** Enhances efficiency at light loads.  
- **Fixed Output Voltage:** No external feedback resistors needed.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2676T-12,LM2676T12 NSC 450 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676T-12 is a step-down switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**
The LM2676T-12 is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides a fixed 12V output with high efficiency and requires minimal external components. It is suitable for applications requiring a stable and efficient DC-DC conversion.

### **Features:**
- **Simple Design:** Requires only 5 external components.  
- **High Efficiency:** Up to 92% efficiency, reducing heat dissipation.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Thermal Shutdown & Current Limit Protection:** Prevents damage from overheating and overcurrent.  
- **Wide Input Voltage Range:** Supports 8V to 40V input.  
- **Fixed Output Voltage:** No external feedback resistors needed.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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