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MAX1873SEEE-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1873SEEE-T

Manufacturer: MAXIM

Simple Current-Limited Switch-Mode Li+ Charger Controller

Partnumber Manufacturer Quantity Availability
MAX1873SEEE-T,MAX1873SEEET MAXIM 1694 In Stock

Description and Introduction

Simple Current-Limited Switch-Mode Li+ Charger Controller The MAX1873SEEE-T is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V 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-QSOP (Exposed Pad)  

### **Descriptions:**  
The MAX1873SEEE-T is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current with a wide input voltage range. It integrates synchronous rectification for improved efficiency and includes features like soft-start, overcurrent protection, and thermal shutdown.  

### **Features:**  
- **Synchronous Rectification** for high efficiency  
- **Adjustable Output Voltage** (0.8V to 5.5V)  
- **Internal Compensation** simplifies design  
- **Soft-Start Function** to limit inrush current  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation** for extended battery life  
- **500kHz Fixed Switching Frequency**  

This device is commonly used in industrial, telecom, and portable applications where efficient power conversion is critical.

Application Scenarios & Design Considerations

Simple Current-Limited Switch-Mode Li+ Charger Controller

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