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MAX1873REEE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1873REEE+T

Manufacturer: MAXIM

Simple Current-Limited Switch-Mode Li+ Charger Controller

Partnumber Manufacturer Quantity Availability
MAX1873REEE+T MAXIM 6499 In Stock

Description and Introduction

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

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (4mm x 4mm)  

### **Descriptions:**  
The MAX1873REEE+T is a high-efficiency, step-down DC-DC converter optimized for low-power applications. It integrates synchronous rectification to minimize external components and improve efficiency. The device operates in pulse-width modulation (PWM) mode for stable output under varying load conditions.  

### **Features:**  
- **Low Quiescent Current:** 30µA (typ)  
- **Internal Synchronous Rectifier:** Eliminates the need for an external Schottky diode  
- **100% Duty Cycle Operation:** Allows dropout operation  
- **Soft-Start Function:** Reduces inrush current  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Short-Circuit Protection:** Enhances reliability  
- **Adjustable Output Voltage:** Via external resistors  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Simple Current-Limited Switch-Mode Li+ Charger Controller

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