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LM3671MF-1.6 from NATIONAL,National Semiconductor

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LM3671MF-1.6

Manufacturer: NATIONAL

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

Partnumber Manufacturer Quantity Availability
LM3671MF-1.6,LM3671MF16 NATIONAL 5980 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.6 is a step-down DC-DC converter manufactured by **National Semiconductor** (now part of Texas Instruments).  

### **Key Specifications:**  
- **Output Voltage:** 1.6V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +85°C  

### **Features:**  
- **High Efficiency:** Optimized for low-power applications.  
- **Low Quiescent Current:** 16µA (typical) in shutdown mode.  
- **Internal Synchronous Rectifier:** Improves efficiency.  
- **Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown & Overcurrent Protection:** Ensures safe operation.  
- **Small Footprint:** Suitable for space-constrained designs.  

This device is commonly used in **battery-powered applications, portable electronics, and power-sensitive systems**.  

*(Source: National Semiconductor Datasheet)*

Partnumber Manufacturer Quantity Availability
LM3671MF-1.6,LM3671MF16 NS 1500 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.6 is a step-down DC-DC converter manufactured by Texas Instruments (formerly National Semiconductor, NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 1.6V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 16µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LM3671MF-1.6 is a high-efficiency, step-down DC-DC converter designed for battery-powered applications.  
- It provides a fixed 1.6V output from an input voltage range of 2.7V to 5.5V.  
- The device operates at a high switching frequency (1.6MHz), allowing the use of small external components.  
- It features a low quiescent current, making it suitable for power-sensitive portable applications.  

### **Features:**
- **Fixed Output Voltage:** 1.6V  
- **High Efficiency:** Up to 95%  
- **Low Quiescent Current:** 16µA (typical)  
- **Internal Synchronous Rectifier:** Improves efficiency  
- **Thermal Shutdown & Current Limit Protection:** Ensures safe operation  
- **Small Footprint:** SOT-23-5 package  
- **Automatic PFM/PWM Mode Switching:** Optimizes efficiency across load ranges  

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

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