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LM2671N-ADJ from NS,National Semiconductor

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LM2671N-ADJ

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2671N-ADJ,LM2671NADJ NS 1280 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features The LM2671N-ADJ is a switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 8V to 40V  
- **Output Voltage Range:** Adjustable from 1.21V to 37V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**
The LM2671N-ADJ is a monolithic, step-down (buck) switching regulator designed for high-efficiency power conversion. It integrates a power switch, oscillator, control circuitry, and protection features in a single package. The adjustable version allows users to set the output voltage via external resistors.

### **Features:**
- Simple and easy-to-use design  
- Adjustable output voltage with feedback pin  
- Internal soft-start for controlled startup  
- Overcurrent and thermal protection  
- Low standby current (50 µA typical in shutdown mode)  
- Requires minimal external components  
- High efficiency (up to 90%)  

This information is strictly factual from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features

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