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LM3671MFX-1.5 from NS国半,National Semiconductor

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LM3671MFX-1.5

Manufacturer: NS国半

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5

Partnumber Manufacturer Quantity Availability
LM3671MFX-1.5,LM3671MFX15 NS国半 28000 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MFX-1.5 is a step-down DC-DC converter manufactured by National Semiconductor (NS国半). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 1.5V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96% (depending on conditions)  
- **Quiescent Current:** 16µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LM3671MFX-1.5 is a high-efficiency, step-down (buck) DC-DC converter optimized for battery-powered applications.  
- It provides a fixed 1.5V output from an input voltage ranging from 2.7V to 5.5V.  
- The device features a low quiescent current, making it suitable for power-sensitive applications.  

### **Features:**  
- **High Efficiency:** Up to 96% efficiency with internal synchronous rectification.  
- **Low Quiescent Current:** 16µA (typical) to extend battery life.  
- **Fixed Output Voltage:** 1.5V with no external feedback resistors required.  
- **2MHz Switching Frequency:** Allows for small external components.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Overcurrent Protection:** Ensures safe operation.  
- **Small Footprint:** SOT-23-5 package for space-constrained designs.  

This information is based on the manufacturer's datasheet.

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