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LM2676SX-ADJ from NSC,National Semiconductor

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LM2676SX-ADJ

Manufacturer: NSC

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2676SX-ADJ,LM2676SXADJ NSC 13002 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator The LM2676SX-ADJ is a switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage Range:** Adjustable from 1.23V to 37V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**
The LM2676SX-ADJ is a step-down (buck) switching regulator that provides high efficiency and simplicity in design. It integrates a 3A switch and requires minimal external components. The adjustable version allows users to set the output voltage via an external resistor divider.  

### **Features:**
- **Simple and Easy-to-Use Design**  
- **Internal Soft-Start Function**  
- **Low Power Standby Mode (IQ < 50µA)**  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Only 5 External Components**  
- **High Efficiency (Up to 92%)**  
- **Wide Input Voltage Range (8V to 40V)**  

This regulator is suitable for applications requiring high efficiency and compact power solutions.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator

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