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IR3522MTRPBF from IR,International Rectifier

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IR3522MTRPBF

Manufacturer: IR

The IR3522 Control IC combined with IR3506 xPHASE3 Phase ICs implements a full featured DDR3 power solution.

Partnumber Manufacturer Quantity Availability
IR3522MTRPBF IR 30 In Stock

Description and Introduction

The IR3522 Control IC combined with IR3506 xPHASE3 Phase ICs implements a full featured DDR3 power solution. The IR3522MTRPBF is a digital dual output PWM controller manufactured by Infineon Technologies. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Infineon Technologies  
- **Part Number:** IR3522MTRPBF  
- **Package:** 40-QFN (6x6mm)  
- **Input Voltage Range:** 4.5V to 21V  
- **Output Voltage Range:** Programmable (0.6V to 5.5V)  
- **Switching Frequency:** 200kHz to 1MHz  
- **Number of Outputs:** Dual (2 independent PWM controllers)  
- **Control Method:** Voltage Mode Control  
- **Operating Temperature Range:** -40°C to +85°C  
- **Duty Cycle Range:** 0% to 100%  

### **Descriptions:**
The IR3522MTRPBF is a high-performance, digital dual-output PWM controller designed for power management applications. It provides precise voltage regulation and supports dynamic voltage scaling (DVS). The device integrates programmable features for flexible power supply designs, making it suitable for servers, telecom, and industrial applications.

### **Features:**
- **Digital Control Interface:** Supports PMBus communication for configuration and monitoring.  
- **Dynamic Voltage Scaling (DVS):** Allows real-time adjustment of output voltage.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent Protection (OCP):** Prevents damage due to excessive load current.  
- **Overvoltage Protection (OVP):** Safeguards against output voltage spikes.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within input voltage limits.  
- **Thermal Monitoring:** Includes temperature sensing for system protection.  
- **Phase Interleaving:** Reduces input ripple current in multi-phase applications.  
- **Non-Volatile Memory (NVM):** Stores configuration settings for quick startup.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

The IR3522 Control IC combined with IR3506 xPHASE3 Phase ICs implements a full featured DDR3 power solution.

Alternative Part Number

  • ISL95812HRZ --: Renesas (which acquired Intersil) offers this multiphase PWM controller with similar VR controller functionality and comparable package, a strong functional substitute.
  • NCP81174MNTXG --: Multiphase PWM controller for CPU/GPU VR applications with similar feature set and QFN package, suitable as a cross-vendor alternative.
  • TPS53661RSBR --: Dual-loop multiphase step-down controller with integrated PMBus-like control, comparable VR controller role and package, usable as an alternative with design review.

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