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L6743QTR from ST,ST Microelectronics

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L6743QTR

Manufacturer: ST

High current MOSFET driver

Partnumber Manufacturer Quantity Availability
L6743QTR ST 58500 In Stock

Description and Introduction

High current MOSFET driver The part **L6743QTR** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Dual Step-Down DC-DC Controller  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Number of Outputs:** 2  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** QFN-24 (4x4mm)  

### **Descriptions:**  
- Designed for high-efficiency synchronous buck converters  
- Supports dual-phase operation for improved thermal performance  
- Includes integrated MOSFET drivers  
- Features adjustable soft-start and power-good indicators  

### **Features:**  
- **Adjustable Frequency:** Allows optimization for efficiency or component size  
- **Synchronous Rectification:** Improves efficiency  
- **Current Mode Control:** Ensures stable operation  
- **UVLO (Undervoltage Lockout):** Protects against low input voltage  
- **Thermal Shutdown:** Prevents overheating  
- **Power-Good Output:** Monitors output voltage status  

This information is based on STMicroelectronics' official documentation for the L6743QTR.

Application Scenarios & Design Considerations

High current MOSFET driver

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