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L6730B from ST,ST Microelectronics

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L6730B

Manufacturer: ST

Adjustable step-down controller with synchronous rectification

Partnumber Manufacturer Quantity Availability
L6730B ST 2500 In Stock

Description and Introduction

Adjustable step-down controller with synchronous rectification The L6730B is a synchronous buck controller manufactured by STMicroelectronics. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Maximum Output Current:** Supports high current with external MOSFETs  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** QFN 4x4 mm, 24-pin  

### **Descriptions:**  
The L6730B is a synchronous step-down DC-DC controller designed for high-efficiency voltage regulation in applications such as servers, telecom, and industrial systems. It supports adaptive dead-time control and integrates protection features for robust operation.  

### **Features:**  
- **Voltage Mode Control** with input voltage feedforward  
- **Adjustable Soft-Start**  
- **Power Good Output**  
- **Overcurrent Protection (OCP)** with hiccup mode  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Synchronizable Clock Input**  
- **Low Quiescent Current** in standby mode  

For detailed application notes and schematics, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

Adjustable step-down controller with synchronous rectification

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