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LM3671MFX-2.5 from NS,National Semiconductor

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LM3671MFX-2.5

Manufacturer: NS

LM3671, LM3671Q 2MHz, 600mA Step-Down DC-DC Converter

Partnumber Manufacturer Quantity Availability
LM3671MFX-2.5,LM3671MFX25 NS 8000 In Stock

Description and Introduction

LM3671, LM3671Q 2MHz, 600mA Step-Down DC-DC Converter The LM3671MFX-2.5 is a step-down DC-DC converter manufactured by Texas Instruments (NS stands for National Semiconductor, which was acquired by TI).  

### **Specifications:**  
- **Output Voltage:** 2.5V (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  

### **Descriptions:**  
The LM3671MFX-2.5 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 2.5V 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 Quiescent Current:** 16µA (typical)  
- **Internal Soft Start:** Reduces inrush current  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Short-Circuit Protection:** Enhances reliability  
- **Small Form Factor:** SOT-23-5 package for space-constrained designs  

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

Partnumber Manufacturer Quantity Availability
LM3671MFX-2.5,LM3671MFX25 NSC 2668 In Stock

Description and Introduction

LM3671, LM3671Q 2MHz, 600mA Step-Down DC-DC Converter The LM3671MFX-2.5 is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 2.5V (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  
- **Features:**  
  - Automatic PFM/PWM mode switching  
  - Internal soft-start  
  - Over-temperature protection  
  - Short-circuit protection  
  - Low shutdown current (<1µA)  

### **Description:**  
The LM3671MFX-2.5 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 2.5V output and is designed for low-power, space-constrained systems.  

### **Features:**  
- High efficiency across load range  
- Small external components required  
- No external Schottky diode needed  
- Ultra-low shutdown current  
- Stable with low-ESR ceramic capacitors  

This information is based on the manufacturer's datasheet.

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