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LM3671MFX-1.2/NOPB from NS,National Semiconductor

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LM3671MFX-1.2/NOPB

Manufacturer: NS

2MHz, 600mA Step-Down DC-DC Converter 5-SOT-23 -40 to 85

Partnumber Manufacturer Quantity Availability
LM3671MFX-1.2/NOPB,LM3671MFX12NOPB NS 2700 In Stock

Description and Introduction

2MHz, 600mA Step-Down DC-DC Converter 5-SOT-23 -40 to 85 The LM3671MFX-1.2/NOPB is a step-down DC-DC converter manufactured by Texas Instruments (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 synchronous rectifier  
  - Soft-start and thermal shutdown protection  
  - Short-circuit and overcurrent protection  

### **Description:**  
The LM3671MFX-1.2/NOPB is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 1.2V output and is designed for space-constrained applications due to its small SOT-23-5 package.  

### **Features:**  
- High efficiency for extended battery life  
- Low dropout operation  
- Minimal external components required  
- Stable with low-ESR ceramic capacitors  
- Light load efficiency enhancement through PFM mode  

This part is suitable for portable electronics, wireless devices, and other low-power applications.

Partnumber Manufacturer Quantity Availability
LM3671MFX-1.2/NOPB,LM3671MFX12NOPB NSC 15000 In Stock

Description and Introduction

2MHz, 600mA Step-Down DC-DC Converter 5-SOT-23 -40 to 85 The LM3671MFX-1.2/NOPB is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** 1.2V (fixed)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Topology:** Synchronous Buck Converter  
- **Features:**  
  - Low quiescent current (16µA typical)  
  - Power-saving mode for light load efficiency  
  - Internal soft-start  
  - Thermal shutdown protection  
  - Short-circuit protection  

### **Description:**  
The LM3671MFX-1.2/NOPB is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It provides a fixed 1.2V output from an input voltage range of 2.7V to 5.5V, making it suitable for portable devices.  

### **Features:**  
- High efficiency at light and heavy loads  
- Automatic PFM/PWM mode switching  
- Small footprint (SOT-23-5 package)  
- Low dropout operation  
- Minimal external components required  
- RoHS-compliant  

This information is based on the manufacturer's datasheet.

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