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LM3671MF-1.2 from NS,National Semiconductor

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15.625ms

LM3671MF-1.2

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM3671MF-1.2,LM3671MF12 NS 6800 In Stock

Description and Introduction

2MHz , 600mA Step-Down DC-DC Converter in SOT23-5 The LM3671MF-1.2 is a step-down DC-DC converter manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 1.2V (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:**  
  - Low quiescent current (16µA typical)  
  - Automatic PFM/PWM mode switching  
  - Internal soft-start  
  - Over-temperature protection  
  - Short-circuit protection  

### **Descriptions and Features:**  
- The LM3671MF-1.2 is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications.  
- It provides a fixed 1.2V output with a wide input voltage range, making it suitable for portable electronics.  
- The device operates at a high switching frequency (2MHz), allowing the use of small external components.  
- It includes built-in protection features such as thermal shutdown and current limiting.  
- The PFM/PWM mode switching improves efficiency across varying load conditions.  

This information is based on the manufacturer's datasheet.

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