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MAX1858AEEG+ from MAX,MAXIM - Dallas Semiconductor

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MAX1858AEEG+

Manufacturer: MAX

Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR

Partnumber Manufacturer Quantity Availability
MAX1858AEEG+,MAX1858AEEG MAX 38 In Stock

Description and Introduction

Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR The MAX1858AEEG+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz (adjustable up to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (Exposed Pad)  
- **Features:** Synchronous rectification, internal MOSFETs, soft-start, overcurrent and thermal protection  

### **Descriptions:**  
The MAX1858AEEG+ is a synchronous buck converter designed for high-efficiency power conversion in applications such as networking, industrial, and telecom systems. It integrates power MOSFETs, reducing external component count.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Programmable Soft-Start:** Prevents inrush current.  
- **Overcurrent & Thermal Protection:** Enhances reliability.  
- **Low Dropout Operation:** Extends battery life in portable applications.  
- **Adjustable Switching Frequency:** Optimizes performance vs. efficiency trade-offs.  

This device is suitable for applications requiring high efficiency and compact power solutions.

Application Scenarios & Design Considerations

Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR

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