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LM2676T-ADJ from NS,National Semiconductor

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LM2676T-ADJ

Manufacturer: NS

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676T-ADJ,LM2676TADJ NS 1082 In Stock

Description and Introduction

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

### **Specifications:**  
- **Input Voltage Range:** 8V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** 3A  
- **Switching Frequency:** 260 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**  
The LM2676T-ADJ is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed to drive a 3A load with excellent line and load regulation. The adjustable version allows the output voltage to be set via an external resistor divider.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal soft-start for reduced inrush current  
- Thermal shutdown and current limit protection  
- Wide input voltage range (8V to 40V)  
- High efficiency (up to 92%)  
- Fixed-frequency PWM control  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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