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MAX1686EUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX1686EUA

Manufacturer: MAXIM

3V to 5V regulating charge pump for SIM cards.

Partnumber Manufacturer Quantity Availability
MAX1686EUA MAXIM 1 In Stock

Description and Introduction

3V to 5V regulating charge pump for SIM cards. The MAX1686EUA is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V (using external resistors)  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (Ultra-small outline)  

### **Descriptions:**  
The MAX1686EUA is a synchronous-rectified, step-down DC-DC converter optimized for high efficiency and compact designs. It integrates a high-side P-channel MOSFET and a low-side N-channel MOSFET, reducing external component count. The device operates in pulse-width modulation (PWM) mode for stable output regulation.  

### **Features:**  
- **Integrated Power MOSFETs** (P-channel high-side and N-channel low-side)  
- **Low Quiescent Current:** 80µA (typical)  
- **Adjustable Output Voltage** via external resistors  
- **Soft-Start Function** to limit inrush current  
- **Overcurrent and Thermal Shutdown Protection**  
- **Synchronous Rectification** for improved efficiency  
- **Small Footprint** (8-pin µMAX package)  

This information is sourced from Maxim Integrated's official datasheet for the MAX1686EUA.

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