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L6743D from ST,ST Microelectronics

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L6743D

Manufacturer: ST

High current MOSFET driver

Partnumber Manufacturer Quantity Availability
L6743D ST 5200 In Stock

Description and Introduction

High current MOSFET driver Here is the factual information about part **L6743D** from the manufacturer **STMicroelectronics**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Part Number:** L6743D  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable (0.6V to VIN)  
- **Switching Frequency:** Adjustable (200kHz to 1MHz)  
- **Output Current:** Up to 25A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-8  

### **Descriptions:**
- The **L6743D** is a synchronous step-down DC-DC controller designed for high-efficiency power conversion.  
- It features a voltage-mode control architecture with adjustable switching frequency.  
- Includes protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown.  
- Suitable for applications requiring high power density and efficiency, such as servers, telecom, and industrial systems.  

### **Features:**
- **Adjustable Output Voltage** (0.6V to VIN)  
- **Wide Input Voltage Range** (4.5V to 18V)  
- **Programmable Switching Frequency** (200kHz to 1MHz)  
- **Voltage-Mode Control** with Feed-Forward Compensation  
- **Integrated Bootstrap Diode**  
- **Power Good Indicator**  
- **Soft-Start Function**  
- **Overcurrent, Overvoltage, and Thermal Protection**  
- **SO-8 Package for Space-Constrained Designs**  

This information is based on the manufacturer's datasheet and technical documentation.

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