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LM2676SDX-ADJ/NOPB from NSC,National Semiconductor

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LM2676SDX-ADJ/NOPB

Manufacturer: NSC

SIMPLE SWITCHER? 8V to 40V, 3A Low Component Count Step-Down Regulator 14-VSON -40 to 125

Partnumber Manufacturer Quantity Availability
LM2676SDX-ADJ/NOPB,LM2676SDXADJNOPB NSC 2140 In Stock

Description and Introduction

SIMPLE SWITCHER? 8V to 40V, 3A Low Component Count Step-Down Regulator 14-VSON -40 to 125 The LM2676SDX-ADJ/NOPB is a switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Output Voltage Range:** Adjustable from 1.23V to 37V  
- **Output Current:** 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin WSON (Exposed Pad)  

### **Descriptions:**
The LM2676SDX-ADJ/NOPB is a step-down (buck) switching regulator that provides high efficiency and a simple design for DC-DC conversion. It integrates a high-side N-channel MOSFET and requires minimal external components. The adjustable output version allows flexibility in setting the desired output voltage using an external resistor divider.

### **Features:**
- **Simple and Easy-to-Use Design**  
- **High Efficiency (Up to 95%)**  
- **Internal Soft-Start for Controlled Inrush Current**  
- **Thermal Shutdown and Current Limit Protection**  
- **Adjustable Output Voltage via External Resistors**  
- **Low Power Standby Mode (Shutdown Pin)**  
- **Requires Only 5 External Components**  

This regulator is suitable for applications such as power supplies, industrial systems, automotive electronics, and battery-powered devices.  

*(Source: National Semiconductor Datasheet)*

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 8V to 40V, 3A Low Component Count Step-Down Regulator 14-VSON -40 to 125

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