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MAX1679EUA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1679EUA+

Manufacturer: MAXIM

Single-Cell Li Battery Charger for Current-Limited Supply

Partnumber Manufacturer Quantity Availability
MAX1679EUA+,MAX1679EUA MAXIM 260 In Stock

Description and Introduction

Single-Cell Li Battery Charger for Current-Limited Supply The MAX1679EUA+ is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (2V to 5.5V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin μMAX (MicroMAX)  
- **Shutdown Current:** <1μA  

### **Descriptions:**  
The MAX1679EUA+ is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal 0.4Ω N-channel MOSFET switch and can start up with input voltages as low as 0.7V. The device is optimized for single-cell or dual-cell battery systems and includes a low-battery detector.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Up to 94% due to synchronous rectification.  
- **Low Quiescent Current:** 16μA (typical).  
- **Integrated Low-Battery Detector:** Adjustable threshold.  
- **Small Footprint:** 8-pin μMAX package.  
- **Automatic Load Disconnect:** Prevents battery drain in shutdown mode.  
- **Overcurrent Protection:** Safeguards against excessive load conditions.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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