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IR3640MTRPBF from IR,International Rectifier

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IR3640MTRPBF

Manufacturer: IR

High Frequency Synchronous PWM Buck Controller in a 20-Lead MLPQ Package.

Partnumber Manufacturer Quantity Availability
IR3640MTRPBF IR 30000 In Stock

Description and Introduction

High Frequency Synchronous PWM Buck Controller in a 20-Lead MLPQ Package. The IR3640MTRPBF is a high-performance synchronous buck PWM controller manufactured by Infineon Technologies. Below are the key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz (fixed)  
- **Maximum Duty Cycle:** 95%  
- **Output Current:** Up to 40A (with external MOSFETs)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**  
The IR3640MTRPBF is designed for high-efficiency DC-DC buck converter applications. It integrates a synchronous rectification control mechanism to improve efficiency and reduce power losses. The controller supports voltage-mode PWM operation and includes protection features such as overcurrent, undervoltage lockout (UVLO), and thermal shutdown.  

### **Features:**  
- **Synchronous Rectification:** Enhances efficiency by reducing conduction losses.  
- **Adjustable Soft-Start:** Prevents inrush current during startup.  
- **Precision Reference Voltage:** 0.6V ±1% for accurate regulation.  
- **Overcurrent Protection (OCP):** Uses external MOSFET RDS(ON) sensing.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Wide Input Voltage Range:** Suitable for various power supply applications.  

This information is based on Infineon's datasheet for the IR3640MTRPBF. For detailed application notes or further specifications, refer to the official documentation.

Application Scenarios & Design Considerations

High Frequency Synchronous PWM Buck Controller in a 20-Lead MLPQ Package.

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