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MAX1649CPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX1649CPA

Manufacturer: MAXIM

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

Partnumber Manufacturer Quantity Availability
MAX1649CPA MAXIM 34 In Stock

Description and Introduction

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers The MAX1649CPA is a high-efficiency, 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 from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX1649CPA  
- **Package:** 8-pin PDIP (Plastic Dual In-Line Package)  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2V to 5.5V  
- **Output Current:** Up to 300mA (depending on input voltage and output settings)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1649CPA is a low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal N-channel MOSFET switch and requires minimal external components. The device is optimized for low-input-voltage operation, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage:** Set via external resistors  
- **Internal Power MOSFET:** Simplifies design and reduces external components  
- **Low Quiescent Current:** 50µA (typical)  
- **Soft-Start Function:** Reduces inrush current  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Small Footprint:** 8-pin DIP package for easy prototyping  

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

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