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IR3843AMTRPBF from IR,International Rectifier

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IR3843AMTRPBF

Manufacturer: IR

Highly Efficient Integrated 3A Sync Buck Regulator

Partnumber Manufacturer Quantity Availability
IR3843AMTRPBF IR 378 In Stock

Description and Introduction

Highly Efficient Integrated 3A Sync Buck Regulator The IR3843AMTRPBF is a synchronous buck regulator from Infineon Technologies. Here are the key specifications, descriptions, and features:

### **Manufacturer:**  
Infineon Technologies  

### **Part Number:**  
IR3843AMTRPBF  

### **Description:**  
The IR3843AMTRPBF is a high-efficiency, synchronous buck regulator designed for point-of-load (POL) applications. It integrates high-side and low-side MOSFETs to deliver high performance in a compact package.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 16V  
- **Output Voltage Range:** Adjustable from 0.6V to 5.5V  
- **Output Current:** Up to 8A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Integrated 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 on Infineon's official datasheet for the IR3843AMTRPBF.

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