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LM2743MTCX/NOPB from NS,National Semiconductor

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LM2743MTCX/NOPB

Manufacturer: NS

2.2-16V, Voltage Mode Synchronous Buck Controller with Tracking 14-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM2743MTCX/NOPB,LM2743MTCXNOPB NS 239 In Stock

Description and Introduction

2.2-16V, Voltage Mode Synchronous Buck Controller with Tracking 14-TSSOP -40 to 125 The LM2743MTCX/NOPB is a synchronous buck regulator controller manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 15V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 90%  
- **Driver Output Current:** 2A (peak)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-TSSOP  

### **Descriptions:**  
The LM2743MTCX/NOPB is a high-performance synchronous buck regulator controller designed for DC-DC conversion applications. It provides precise voltage regulation and supports adjustable switching frequencies for optimized efficiency.  

### **Features:**  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Precision Reference:** 0.8V ±1.5% voltage reference for accurate regulation.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **UVLO (Undervoltage Lockout):** Ensures proper operation under low input voltage conditions.  
- **Current Mode Control:** Enhances transient response and stability.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  

This device is commonly used in power supplies for telecom, industrial, and computing applications.

Application Scenarios & Design Considerations

2.2-16V, Voltage Mode Synchronous Buck Controller with Tracking 14-TSSOP -40 to 125

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