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MAX1879EUA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1879EUA+

Manufacturer: MAXIM, MAXIM/DALLAS

Simple, Efficient, 1-Cell Li+ Pulse Charger
Partnumber Manufacturer Quantity Availability
MAX1879EUA+,MAX1879EUA MAXIM, MAXIM/DALLAS 300 In Stock

Description and Introduction

Simple, Efficient, 1-Cell Li+ Pulse Charger The MAX1879EUA+ is a step-up DC-DC converter manufactured by **MAXIM/DALLAS**.  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable from 2.5V to 5.5V  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin μMAX (UA)  

### **Descriptions:**  
The MAX1879EUA+ is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It integrates a synchronous rectifier to improve efficiency and reduce external component count. It is suitable for battery-powered devices, portable electronics, and energy harvesting systems.  

### **Features:**  
- **True Low-Voltage Operation:** Starts up with inputs as low as 0.7V  
- **Synchronous Rectification:** Improves efficiency and reduces external diode requirements  
- **Adjustable Output Voltage:** Set via external resistor divider  
- **Low Quiescent Current:** 30μA (typical)  
- **Overcurrent and Thermal Protection:** Enhances reliability  
- **Small Footprint:** 8-pin μMAX package saves board space  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Simple, Efficient, 1-Cell Li+ Pulse Charger

Alternative Part Number

  • BQ24074RGTR --: Single-cell Li-ion linear charger with similar charge-management function and thermal regulation, widely available and pin-compatible in function.
  • LTC4054LES5-4.2 --: Compact standalone Li-ion linear charger IC with constant-current/constant-voltage charging, suitable replacement for small battery charger designs.
  • MCP73831T-2ACI/OT --: Low-cost single-cell Li-ion/Li-Po charge management controller with programmable current, commonly used as a functional substitute in portable applications.
  • LTC4054ES5-4.2 --: Standalone single-cell Li-ion linear charger in a small package, offering comparable constant-current/constant-voltage charging behavior.
  • TP4056 --: Low-cost single-cell Li-ion linear charger IC with programmable charge current, commonly used as a drop-in functional substitute in charger designs.

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