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MAX1686HEUA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1686HEUA+

Manufacturer: MAXIM

3V to 5V Regulating Charge Pumps for SIM Cards

Partnumber Manufacturer Quantity Availability
MAX1686HEUA+,MAX1686HEUA MAXIM 30 In Stock

Description and Introduction

3V to 5V Regulating Charge Pumps for SIM Cards The **MAX1686HEUA+** is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (HEUA)  

### **Descriptions:**  
- The MAX1686HEUA+ is a synchronous step-down (buck) DC-DC converter designed for high efficiency and compact power supply solutions.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- Suitable for applications requiring stable, regulated power from a wide input voltage range.  

### **Features:**  
- **Integrated Power MOSFETs** (eliminates need for external switches)  
- **Adjustable Output Voltage** (via external resistors)  
- **High Efficiency** (up to 95%)  
- **Low Dropout Operation** (100% duty cycle in dropout mode)  
- **Overcurrent and Thermal Protection**  
- **Soft-Start Function** (reduces inrush current)  
- **Small Footprint** (8-pin µMAX package)  

This information is strictly derived from the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

3V to 5V Regulating Charge Pumps for SIM Cards

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