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LM2671MX-3.3/NOPB from NS,National Semiconductor

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LM2671MX-3.3/NOPB

Manufacturer: NS

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features 8-SOIC -40 to 125

Partnumber Manufacturer Quantity Availability
LM2671MX-3.3/NOPB,LM2671MX33NOPB NS 2337 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features 8-SOIC -40 to 125 The LM2671MX-3.3/NOPB is a step-down voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (Exposed Pad)  
- **Regulation Type:** Switching Regulator  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2671MX-3.3/NOPB is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for high efficiency and simplicity, requiring minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 5 external components  
- Internal soft-start for controlled inrush current  
- Low standby current (50 µA typical)  
- Adjustable output version available (LM2671M-ADJ)  
- High efficiency power conversion  
- TTL shutdown capability  

This regulator is suitable for applications such as power supplies for industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features 8-SOIC -40 to 125

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