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IR3842MTRPBF from IR,International Rectifier

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IR3842MTRPBF

Manufacturer: IR

HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR

Partnumber Manufacturer Quantity Availability
IR3842MTRPBF IR 29671 In Stock

Description and Introduction

HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR The IR3842MTRPBF is a synchronous buck regulator from Infineon Technologies. Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
Infineon Technologies  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 21V  
- **Output Voltage Range:** 0.6V to 75% of VIN  
- **Output Current:** Up to 12A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5mm x 6mm PQFN (Power Quad Flat No-Lead)  

### **Descriptions:**  
- A high-efficiency, synchronous buck regulator with integrated MOSFETs.  
- Designed for point-of-load (POL) applications in computing, networking, and industrial systems.  
- Supports adjustable frequency and external synchronization.  

### **Features:**  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Programmable Soft-Start:** Prevents inrush current.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and size.  
- **Precision Reference Voltage:** ±1% accuracy over temperature.  
- **Overcurrent, Overtemperature, and Undervoltage Protection:** Enhances system reliability.  
- **Power Good Indicator:** Monitors output status.  

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

Application Scenarios & Design Considerations

HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR
Partnumber Manufacturer Quantity Availability
IR3842MTRPBF IRF 16000 In Stock

Description and Introduction

HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR The IR3842MTRPBF is a high-performance synchronous buck regulator from Infineon Technologies (formerly International Rectifier).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 16V  
- **Output Voltage Range:** 0.6V to 5.5V (adjustable)  
- **Output Current:** Up to 12A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5mm x 6mm Power QFN (Quad Flat No-Lead)  

### **Descriptions and Features:**  
- **High-Efficiency Synchronous Buck Regulator:** Optimized for low-voltage, high-current applications.  
- **Integrated MOSFETs:** Includes high-side and low-side power MOSFETs for compact design.  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Advanced Control Scheme:** Employs a constant-on-time (COT) architecture for fast transient response.  
- **Protection Features:** Includes overcurrent protection (OCP), overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.  
- **Wide Input Voltage Range:** Suitable for various power supply applications.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

This regulator is commonly used in point-of-load (POL) applications, industrial systems, telecom equipment, and embedded computing.

Application Scenarios & Design Considerations

HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR

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