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IR3084 from IR,International Rectifier

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IR3084

Manufacturer: IR

XPHASETM VR 10/11 CONTROL IC

Partnumber Manufacturer Quantity Availability
IR3084 IR 24 In Stock

Description and Introduction

XPHASETM VR 10/11 CONTROL IC The IR3084 is a power MOSFET manufactured by International Rectifier (IR). Below are the factual specifications, descriptions, and features from the manufacturer's datasheet:

### **Manufacturer:**  
International Rectifier (IR)  

### **Part Number:**  
IR3084  

### **Description:**  
The IR3084 is a high-performance synchronous buck controller designed for voltage regulator applications. It is optimized for high-efficiency DC-DC conversion in power supplies for microprocessors, servers, and other demanding applications.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 16V  
- **Output Voltage Range:** Programmable from 0.8V to 5.5V  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **High-Efficiency Synchronous Buck Operation**  
- **Adaptive Non-Overlap Gate Drive**  
- **Programmable Soft-Start**  
- **Overcurrent Protection (OCP)**  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Thermal Shutdown Protection**  
- **Differential Remote Voltage Sensing**  
- **Multi-Phase Capability (up to 6 Phases)**  

### **Applications:**  
- **CPU/GPU Core Voltage Regulators**  
- **High-Current DC-DC Converters**  
- **Server and Workstation Power Supplies**  
- **VRM (Voltage Regulator Modules)**  

### **Package:**  
- **28-Lead SOIC (Small Outline Integrated Circuit)**  

For detailed electrical characteristics and application notes, refer to the official IR3084 datasheet from International Rectifier.

Application Scenarios & Design Considerations

XPHASETM VR 10/11 CONTROL IC

Alternative Part Number

  • ISL6612ACBZ --: Single-phase synchronous buck MOSFET driver with similar gate-drive and protection features, commonly used as a drop-in style replacement for IR3084 controller/driver functions.
  • NCP81174MNTXG --: Multiphase PWM controller with integrated drivers, comparable VRM control function and pin-compatible architecture for CPU core power designs.
  • TPS51624RSMR --: Multiphase step-down controller with integrated gate drivers, similar control-loop and current-sense features suitable for VRM applications.

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