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IR3521M from IOR,International Rectifier

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IR3521M

Manufacturer: IOR

A full featured and flexible way to implement a complete AMD SVID power solution.

Partnumber Manufacturer Quantity Availability
IR3521M IOR 37 In Stock

Description and Introduction

A full featured and flexible way to implement a complete AMD SVID power solution. The IR3521M is a digital multiphase PWM controller manufactured by Infineon Technologies. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** 0.5V to 2.0V (programmable)  
- **Number of Phases:** Configurable up to 7 phases  
- **Switching Frequency:** 200kHz to 1MHz (adjustable)  
- **Control Method:** Digital PWM with adaptive voltage positioning (AVP)  
- **Communication Interface:** PMBus™ compliant  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** 48-pin QFN  

### **Descriptions:**  
- The IR3521M is a high-performance digital PWM controller designed for multiphase voltage regulator applications.  
- It supports Intel® IMVP-7/VR12/VR12.5 specifications for CPU power delivery.  
- The controller integrates Infineon's proprietary digital control loop for precise voltage regulation.  
- It features adaptive voltage positioning (AVP) to optimize transient response and efficiency.  

### **Features:**  
- **Digital Control Loop:** Ensures accurate voltage regulation with programmable loop compensation.  
- **Phase Management:** Dynamic phase shedding for improved efficiency at light loads.  
- **PMBus™ Interface:** Allows for real-time monitoring and configuration.  
- **Overcurrent & Overtemperature Protection:** Built-in safeguards for reliability.  
- **Programmable Fault Responses:** Configurable for various failure conditions.  
- **Auto-Compensation:** Simplifies design and reduces external components.  
- **Supports High-Current Applications:** Optimized for CPUs, GPUs, and ASICs.  

For exact datasheet details, refer to Infineon's official documentation.

Application Scenarios & Design Considerations

A full featured and flexible way to implement a complete AMD SVID power solution.

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