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IR3843WMTRPBF from IR,International Rectifier

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IR3843WMTRPBF

Manufacturer: IR

Highly Efficient Integrated 2A Sync Buck Regulator

Partnumber Manufacturer Quantity Availability
IR3843WMTRPBF IR 5820 In Stock

Description and Introduction

Highly Efficient Integrated 2A Sync Buck Regulator The IR3843WMTRPBF 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 15A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 28-Pin QFN (5mm x 5mm)  

### **Descriptions:**  
- High-performance synchronous buck regulator with integrated MOSFETs.  
- Designed for point-of-load (POL) applications in networking, computing, and industrial systems.  
- Supports pre-biased output startup.  

### **Features:**  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Programmable Frequency:** Allows optimization for efficiency and size.  
- **Adjustable Soft-Start:** Prevents inrush current.  
- **Overcurrent Protection (OCP):** Enhances reliability.  
- **Thermal Shutdown:** Prevents overheating.  
- **Power Good Indicator:** Monitors output status.  
- **Differential Remote Sensing:** Improves voltage regulation accuracy.  

This regulator is optimized for high-efficiency, compact power solutions.

Application Scenarios & Design Considerations

Highly Efficient Integrated 2A Sync Buck Regulator
Partnumber Manufacturer Quantity Availability
IR3843WMTRPBF IRF 450 In Stock

Description and Introduction

Highly Efficient Integrated 2A Sync Buck Regulator **Manufacturer:** IRF (International Rectifier, now part of Infineon Technologies)  

**Part Number:** IR3843WMTRPBF  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 16V  
- **Output Voltage Range:** Adjustable from 0.6V to 5.5V  
- **Output Current:** Up to 15A  
- **Switching Frequency:** Adjustable up to 1.5MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead WQFN (5mm x 5mm)  
- **Control Method:** Voltage Mode PWM  
- **Protection Features:** Overcurrent, Overvoltage, Undervoltage Lockout (UVLO), Thermal Shutdown  

### **Descriptions and Features:**  
- High-efficiency synchronous buck regulator  
- Integrated high-side and low-side MOSFETs  
- Adjustable soft-start for controlled startup  
- Precision reference voltage (±1% accuracy)  
- Supports pre-biased outputs  
- Low quiescent current for improved light-load efficiency  
- AEC-Q100 qualified for automotive applications  
- RoHS compliant  

This information is based on the manufacturer's datasheet for the IR3843WMTRPBF.

Application Scenarios & Design Considerations

Highly Efficient Integrated 2A Sync Buck Regulator

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