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LM2743MTC from NS,National Semiconductor

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LM2743MTC

Manufacturer: NS

Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller

Partnumber Manufacturer Quantity Availability
LM2743MTC NS 42362 In Stock

Description and Introduction

Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller The LM2743MTC is a synchronous buck regulator controller manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 20V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Output Current:** Up to 15A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TSSOP-16 (MTC)  

### **Descriptions:**  
The LM2743MTC is a high-performance synchronous buck regulator controller designed for DC-DC step-down applications. It integrates a PWM controller with gate drivers for external N-channel MOSFETs, enabling efficient power conversion.  

### **Features:**  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Precision Reference:** 0.8V ±1% voltage reference for accurate regulation.  
- **Integrated Gate Drivers:** Reduces external component count.  
- **Soft-Start:** Programmable to minimize inrush current.  
- **Current Limit Protection:** Adjustable for overcurrent protection.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Power Good Indicator:** Monitors output voltage status.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

Application Scenarios & Design Considerations

Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller

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