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LM3671MF-1.875 from NS,National Semiconductor

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LM3671MF-1.875

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM3671MF-1.875,LM3671MF1875 NS 6100 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.875 is a step-down DC-DC converter manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Fixed Output Voltage:** 1.875V  
- **Output Current:** Up to 600mA  
- **Efficiency:** Up to 96%  
- **Switching Frequency:** 1.6MHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM3671MF-1.875 is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates a synchronous rectifier for improved efficiency and requires minimal external components.  

### **Features:**  
- **Fixed Output Voltage:** 1.875V (no external feedback resistors needed)  
- **Low Quiescent Current:** 16µA (typical)  
- **Automatic Power-Save Mode** for light-load efficiency  
- **Internal Soft-Start** to reduce inrush current  
- **Thermal Shutdown and Overcurrent Protection**  
- **Small Footprint:** SOT-23-5 package  

This device is commonly used in battery-powered applications, portable electronics, and IoT devices.

Partnumber Manufacturer Quantity Availability
LM3671MF-1.875,LM3671MF1875 NSC 1406 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.875 is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 1.875V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Features:**  
  - Fixed output voltage  
  - Low quiescent current (16µA typical)  
  - Automatic PFM/PWM mode switching  
  - Internal soft-start  
  - Over-temperature protection  
  - Short-circuit protection  

### **Descriptions:**  
The LM3671MF-1.875 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 1.875V output from an input voltage range of 2.7V to 5.5V, making it suitable for portable devices.  

### **Features:**  
- High efficiency (up to 96%)  
- Low dropout operation  
- Small SOT-23-5 package  
- No external Schottky diode required  
- Low output voltage ripple  
- Fast transient response  

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LM3671MF-1.875,LM3671MF1875 NATIONAL 15325 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.875 is a step-down DC-DC converter manufactured by National Semiconductor (now part of Texas Instruments). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** National Semiconductor (now Texas Instruments)
- **Part Number:** LM3671MF-1.875  
- **Output Voltage:** Fixed 1.875V  
- **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  
- **Quiescent Current:** 16µA (typical)  
- **Load Regulation:** ±0.5% (typical)  
- **Line Regulation:** ±0.3% (typical)  

### **Descriptions:**
The LM3671MF-1.875 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed output voltage of 1.875V with a maximum output current of 600mA. The device operates at a high switching frequency (2MHz), allowing the use of small external components. It features low quiescent current, making it suitable for portable and power-sensitive applications.

### **Features:**
- **Fixed Output Voltage:** 1.875V  
- **High Efficiency (up to 96%)**  
- **Low Quiescent Current (16µA typical)**  
- **2MHz Switching Frequency**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  
- **Soft-Start Functionality**  
- **Small SOT-23-5 Package**  
- **Wide Input Voltage Range (2.7V to 5.5V)**  
- **Suitable for Battery-Powered Applications**  

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

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