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IR3841WMTRPBF from IR,International Rectifier

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IR3841WMTRPBF

Manufacturer: IR, IRF

Highly Efficient Integrated 8A Sync Buck Regulator

Partnumber Manufacturer Quantity Availability
IR3841WMTRPBF IR, IRF 11850 In Stock

Description and Introduction

Highly Efficient Integrated 8A Sync Buck Regulator The IR3841WMTRPBF is a synchronous buck regulator from Infineon Technologies. Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
Infineon Technologies  

### **Part Number:**  
IR3841WMTRPBF  

### **Description:**  
The IR3841WMTRPBF is a high-efficiency, synchronous buck regulator designed for point-of-load (POL) applications. It integrates high-side and low-side MOSFETs, providing a compact power solution with high performance.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 21V  
- **Output Voltage Range:** Adjustable from 0.6V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** Adjustable (300kHz to 1.5MHz)  
- **Efficiency:** Up to 95%  
- **Integrated Power MOSFETs:** Yes (High-side and low-side)  
- **Control Method:** Voltage mode PWM  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Thermal shutdown  
- **Package:** 16-Pin QFN (4mm x 4mm)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Applications:**  
- Point-of-load (POL) regulators  
- Networking and telecom equipment  
- Industrial and embedded systems  
- Servers and storage devices  

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

Application Scenarios & Design Considerations

Highly Efficient Integrated 8A Sync Buck Regulator

Alternative Part Number

  • TPS53319DQP --: Integrated synchronous buck regulator with similar current rating and PWM control, pin-compatible in many POL designs and widely available.
  • LTM4620EV --: Dual 13A step-down module covering the same load range with integrated inductor, simplifying layout as a drop-in functional replacement.
  • ISL62771HRTZ --: Multiphase PWM controller with integrated drivers suitable for CPU/GPU core rails, offering comparable switching performance and protection features.

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