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IR3505MPBF from IR,International Rectifier

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IR3505MPBF

Manufacturer: IR

XPHASE3TM PHASE IC

Partnumber Manufacturer Quantity Availability
IR3505MPBF IR 24300 In Stock

Description and Introduction

XPHASE3TM PHASE IC The IR3505MPBF is a synchronous buck controller manufactured by Infineon Technologies. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 21V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead PQFN (5mm x 5mm)  

### **Descriptions:**  
The IR3505MPBF is a high-performance, synchronous buck PWM controller designed for high-efficiency DC-DC voltage regulation. It supports single or dual-phase operation and includes adaptive dead-time control for optimized efficiency.  

### **Features:**  
- **Adaptive Dead-Time Control:** Minimizes body diode conduction losses.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Precision Reference Voltage:** 0.6V ±1% accuracy.  
- **Overcurrent Protection:** Uses MOSFET RDS(on) sensing.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Differential Remote Sensing:** Improves output voltage accuracy.  

This information is sourced from Infineon's official datasheet for the IR3505MPBF.

Application Scenarios & Design Considerations

XPHASE3TM PHASE IC

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