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LM2671M-3.3/NOPB from NS,National Semiconductor

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LM2671M-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
LM2671M-3.3/NOPB,LM2671M33NOPB NS 1298 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features 8-SOIC -40 to 125 The LM2671M-3.3/NOPB is a switching 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 500mA  
- **Switching Frequency:** 260 kHz (Typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Protection Features:** Thermal Shutdown, Current Limiting  

### **Descriptions:**  
The LM2671M-3.3/NOPB is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides a fixed 3.3V output and is optimized for high efficiency with minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 5 external components  
- Low power standby mode (1 μA typical shutdown current)  
- Internal soft-start reduces inrush current  
- Adjustable version available (LM2671M-ADJ)  
- High efficiency (up to 90%)  
- Wide input voltage range (8V to 40V)  
- Thermal shutdown and current limit protection  

This regulator is commonly used in power supply applications 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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