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L6732 from ST,ST Microelectronics

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L6732

Manufacturer: ST

Adjustable step-down controller with synchronous rectification

Partnumber Manufacturer Quantity Availability
L6732 ST 2500 In Stock

Description and Introduction

Adjustable step-down controller with synchronous rectification The part **L6732** is a **dual step-down controller** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Output Current:** Supports dual-phase operation (current sharing)  
- **Efficiency:** Up to 95% (depending on configuration)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** PowerSSO-36  

### **Descriptions:**
- The **L6732** is a **dual synchronous buck controller** designed for high-efficiency DC-DC conversion.  
- It supports **dual-phase operation**, improving thermal performance and reducing input/output ripple.  
- The device includes **adaptive dead-time control** to optimize efficiency.  
- It is suitable for **industrial, telecom, and computing applications** requiring high power density.  

### **Features:**
- **Dual Independent PWM Controllers** for two synchronous buck regulators.  
- **Adjustable Switching Frequency** (300kHz to 1MHz) with external synchronization capability.  
- **Integrated Bootstrap Diodes** for high-side MOSFET driving.  
- **Programmable Soft-Start** for controlled power-up sequencing.  
- **Overvoltage, Undervoltage, and Overcurrent Protection** for enhanced system reliability.  
- **Power Good Indicator** for each output.  
- **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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