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L6731DTR from ST,ST Microelectronics

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L6731DTR

Manufacturer: ST

Adjustable step-down controller with synchronous rectification dedicated to DDR memory

Partnumber Manufacturer Quantity Availability
L6731DTR ST 2500 In Stock

Description and Introduction

Adjustable step-down controller with synchronous rectification dedicated to DDR memory The L6731DTR is a synchronous step-down switching regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable from 0.8V to 12V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** Adjustable from 300kHz to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** PowerSO-8 (Exposed Pad)  

### **Descriptions:**  
- The L6731DTR is a monolithic DC-DC converter with integrated power MOSFETs.  
- It is designed for high-efficiency step-down voltage regulation in various applications.  
- The device includes a synchronous rectifier to minimize power loss.  
- It supports adjustable soft-start and power-good functions.  

### **Features:**  
- **Integrated Power MOSFETs** for reduced external component count.  
- **Adjustable Output Voltage** via external resistor divider.  
- **Synchronous Rectification** for improved efficiency.  
- **Programmable Switching Frequency** (300kHz to 1MHz).  
- **Undervoltage Lockout (UVLO)** for protection.  
- **Thermal Shutdown** and **Overcurrent Protection**.  
- **Soft-Start Function** to limit inrush current.  
- **Power-Good Indicator** for monitoring output status.  

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

Application Scenarios & Design Considerations

Adjustable step-down controller with synchronous rectification dedicated to DDR memory

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