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MAX1873REEE+ from MAX,MAXIM - Dallas Semiconductor

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MAX1873REEE+

Manufacturer: MAX

Simple Current-Limited Switch-Mode Li+ Charger Controller

Partnumber Manufacturer Quantity Availability
MAX1873REEE+,MAX1873REEE MAX 12 In Stock

Description and Introduction

Simple Current-Limited Switch-Mode Li+ Charger Controller The MAX1873REEE+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated.  

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (EE)  

### **Descriptions:**  
The MAX1873REEE+ is a synchronous buck converter designed for high-efficiency power conversion in applications requiring high output current. It integrates low-resistance MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for industrial, automotive, and telecom applications.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing conduction losses.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Power-Good Output:** Monitors output voltage status.  

This device is ideal for point-of-load regulation in embedded systems, networking equipment, and portable devices.

Application Scenarios & Design Considerations

Simple Current-Limited Switch-Mode Li+ Charger Controller

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