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LM3671MFX-1.8 from NS,National Semiconductor

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LM3671MFX-1.8

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM3671MFX-1.8,LM3671MFX18 NS 2222 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MFX-1.8 is a step-down DC-DC converter manufactured by Texas Instruments (formerly National Semiconductor, NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 1.8V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Quiescent Current:** 16µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The LM3671MFX-1.8 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 1.8V output and supports a wide input voltage range, making it suitable for portable devices. The device operates at a high switching frequency, allowing the use of small external components.

### **Features:**
- **Fixed Output Voltage:** 1.8V  
- **Low Quiescent Current:** 16µA (typical)  
- **High Efficiency:** Up to 96%  
- **Internal Synchronous Rectification:** Improves efficiency  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Undervoltage Lockout (UVLO):** Ensures proper operation at low input voltages  
- **Soft-Start Function:** Reduces inrush current  
- **Small Footprint:** SOT-23-5 package  

This information is based solely on the manufacturer's datasheet and technical documentation.

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