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MAX1705

1 to 3 Cell, High Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator

Partnumber Manufacturer Quantity Availability
MAX1705 15 In Stock

Description and Introduction

1 to 3 Cell, High Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator The MAX1705 is a step-up DC-DC converter designed to provide a regulated 5V output from input voltages as low as 0.7V. It is manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Fixed 5V (±4% accuracy)  
- **Output Current:** Up to 100mA (with 1.5V input)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Features:**  
- Ultra-low startup voltage (0.7V)  
- Internal synchronous rectifier for improved efficiency  
- Low shutdown current (<1µA)  
- Soft-start to limit inrush current  
- Overcurrent protection  
- Small external component count  

### **Applications:**  
- Single-cell to 5V conversion  
- Battery-powered devices  
- Portable electronics  
- Energy harvesting systems  

The MAX1705 is optimized for low-power applications requiring a stable 5V supply from very low input voltages.

Application Scenarios & Design Considerations

1 to 3 Cell, High Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator

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