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IRU3047CW from IR,International Rectifier

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IRU3047CW

Manufacturer: IR, IOR

Dual Synchronous PWM Controller with Current Sharing Circuitry and a LDO Controller in a 20-Pin SOIC(WB) package

Partnumber Manufacturer Quantity Availability
IRU3047CW IR, IOR 3100 In Stock

Description and Introduction

Dual Synchronous PWM Controller with Current Sharing Circuitry and a LDO Controller in a 20-Pin SOIC(WB) package The IRU3047CW is a power management integrated circuit (PMIC) manufactured by Infineon Technologies. Below are the specifications, descriptions, and features based on available knowledge:  

### **Manufacturer:** Infineon Technologies  
### **Part Number:** IRU3047CW  

### **Description:**  
The IRU3047CW is a high-efficiency, synchronous buck regulator designed for high-performance power management applications. It integrates MOSFETs and control circuitry to provide a compact and efficient power solution.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)  
- **Output Current:** Up to 15A  
- **Switching Frequency:** Adjustable (typically 300kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Integrated MOSFETs:** Yes (synchronous rectification)  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Overvoltage protection (OVP)  
  - Thermal shutdown  
- **Control Method:** Voltage mode PWM  
- **Package:** 28-pin SOIC (Small Outline Integrated Circuit)  

### **Applications:**  
- Point-of-load (POL) regulators  
- Industrial power supplies  
- Networking and telecom equipment  
- Embedded computing systems  

This information is based on Infineon's product documentation. For exact details, refer to the official datasheet.

Application Scenarios & Design Considerations

Dual Synchronous PWM Controller with Current Sharing Circuitry and a LDO Controller in a 20-Pin SOIC(WB) package

Alternative Part Number

  • LM3481MM --: Wide-input-voltage low-side N-channel controller usable in similar DC-DC converter designs; different series and pinout, so verify the schematic and compensation network.
  • TPS40210DGQ --: Wide-input boost/flyback controller with comparable gate-drive capability; different family and package, requiring layout and component value checks.
  • UC3843AN --: Classic current-mode PWM controller widely available as a general-purpose substitute; different architecture and pinout, so circuit-level verification is required.
  • LM3489MM --: Pin-compatible synchronous buck controller with similar voltage range and current capability, widely available and well documented.
  • MAX1745EUB --: Comparable step-down controller with integrated MOSFET drivers, suitable for similar input/output voltage and load conditions.
  • TPS5430DDA --: Integrated step-down converter offering similar current rating and input voltage range, usable as a functional replacement with minor layout changes.

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