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MAX1879EUA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1879EUA+T

Manufacturer: MAXIM

Simple, Efficient, 1-Cell Li+ Pulse Charger

Partnumber Manufacturer Quantity Availability
MAX1879EUA+T MAXIM 2750 In Stock

Description and Introduction

Simple, Efficient, 1-Cell Li+ Pulse Charger The MAX1879EUA+T is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.8V to 5.5V  
- **Output Current:** Up to 300mA (depending on input voltage)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (3mm x 3mm)  

### **Descriptions:**  
The MAX1879EUA+T is a synchronous step-up DC-DC converter optimized for low-input-voltage applications. It integrates a power switch and synchronous rectifier to maximize efficiency, making it suitable for battery-powered devices. The device operates in pulse-width modulation (PWM) mode for stable performance across load variations.

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Synchronous Rectification:** Improves efficiency  
- **Adjustable Output Voltage:** Set via external resistors  
- **Low Quiescent Current:** 30µA (typical)  
- **Overcurrent and Thermal Protection:** Enhances reliability  
- **Small Footprint:** 8-pin µMAX package for space-constrained designs  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

Simple, Efficient, 1-Cell Li+ Pulse Charger

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