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MAX1686HEUA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1686HEUA+T

Manufacturer: MAXIM

3V to 5V Regulating Charge Pumps for SIM Cards

Partnumber Manufacturer Quantity Availability
MAX1686HEUA+T MAXIM 6118 In Stock

Description and Introduction

3V to 5V Regulating Charge Pumps for SIM Cards The MAX1686HEUA+T is a high-efficiency, step-up DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated (Analog Devices)  
- **Part Number:** MAX1686HEUA+T  
- **Package:** 8-pin µMAX (MSOP-8)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Adjustable (up to 40V)  
- **Output Current:** Up to 350mA (depends on input/output conditions)  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Description:**  
The MAX1686HEUA+T is a **boost (step-up) DC-DC converter** designed for applications requiring high output voltages from low input supplies. It integrates a **power MOSFET switch** and features a high switching frequency (1MHz), enabling the use of small external components.  

### **Features:**  
- **High Efficiency (up to 90%)**  
- **Internal 0.5Ω N-Channel Power MOSFET**  
- **Adjustable Output Voltage (up to 40V)**  
- **Low Shutdown Current (<1µA)**  
- **1MHz Fixed-Frequency PWM Operation**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  
- **Small Footprint (µMAX Package)**  

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

Application Scenarios & Design Considerations

3V to 5V Regulating Charge Pumps for SIM Cards

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