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LM2731XMFX from NATIONAL,National Semiconductor

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LM2731XMFX

Manufacturer: NATIONAL

0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23

Partnumber Manufacturer Quantity Availability
LM2731XMFX NATIONAL 21000 In Stock

Description and Introduction

0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 The LM2731XMFX is a switching regulator manufactured by National Semiconductor (now part of Texas Instruments).  

### **Key Specifications:**  
- **Input Voltage Range:** 2.7V to 14V  
- **Output Voltage Range:** Adjustable from 1.21V to 14V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 1.6MHz (LM2731X) or 3MHz (LM2731Y)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions and Features:**  
- **Step-Up (Boost) DC-DC Converter**  
- **High Switching Frequency** allows for small external components.  
- **Internal N-Channel MOSFET Switch** for high efficiency.  
- **Current Mode Control** for improved transient response.  
- **Low Shutdown Current** (<1μA).  
- **Thermal Shutdown and Current Limit Protection** for reliability.  
- **Adjustable Output Voltage** via external resistor divider.  

This regulator is commonly used in battery-powered devices, LED drivers, and portable electronics.

Application Scenarios & Design Considerations

0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23

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