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MAX1873TEEE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1873TEEE+T

Manufacturer: MAXIM

Simple Current-Limited Switch-Mode Li+ Charger Controller

Partnumber Manufacturer Quantity Availability
MAX1873TEEE+T,MAX1873TEEET MAXIM 12500 In Stock

Description and Introduction

Simple Current-Limited Switch-Mode Li+ Charger Controller The MAX1873TEEE+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 (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin TQFN (3mm x 3mm)  
- **Features:**  
  - Low-dropout operation  
  - Internal synchronous rectifier  
  - Soft-start capability  
  - Overcurrent and thermal protection  
  - Power-good output  

### **Description:**  
The MAX1873TEEE+T is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications. It integrates synchronous rectification to minimize external components and improve efficiency.  

### **Features:**  
- **High Efficiency:** Up to 95%  
- **Low Dropout Operation:** Extends battery life  
- **Adjustable Output Voltage:** 0.8V to VIN  
- **1MHz Switching Frequency:** Reduces external component size  
- **Internal Synchronous Rectifier:** Eliminates need for an external diode  
- **Soft-Start:** Prevents inrush current  
- **Protection Features:** Overcurrent and thermal shutdown  
- **Power-Good Indicator:** Monitors output voltage  

This device is suitable for portable electronics, handheld devices, and other low-power applications requiring efficient power conversion.

Application Scenarios & Design Considerations

Simple Current-Limited Switch-Mode Li+ Charger Controller

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