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MAX1718 from MAX,MAXIM - Dallas Semiconductor

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MAX1718

Manufacturer: MAX

Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning (IMVP-II)

Partnumber Manufacturer Quantity Availability
MAX1718 MAX 32 In Stock

Description and Introduction

Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning (IMVP-II) The MAX1718 is a step-down controller 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:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Switching Frequency:** 300kHz (fixed)  
- **Output Current:** Up to 15A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX1718 is a high-efficiency, synchronous step-down DC-DC controller designed for high-current, low-voltage applications. It drives external N-channel MOSFETs to regulate output voltage with high accuracy. It is commonly used in power supplies for notebooks, servers, and telecom systems.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Current-Mode Control:** Ensures fast transient response.  
- **Overcurrent Protection:** Uses external sense resistor.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage.  
- **Power-Good Output:** Monitors output voltage status.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to official documentation.

Application Scenarios & Design Considerations

Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning (IMVP-II)

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