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The MAX1758EAI is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its factual specifications, descriptions, and features:

Specifications:

• Manufacturer: Maxim Integrated (Analog Devices)
• Model: MAX1758EAI
• Package: 28-pin SSOP (Shrink Small Outline Package)
• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: Adjustable from 1.25V to 5.5V
• Output Current: Up to 2A
• Switching Frequency: 300kHz (fixed)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Regulation: ±1.5% over line and load conditions

Descriptions:

The MAX1758EAI is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion in industrial, telecom, and computing applications. It integrates high-side and low-side MOSFETs, reducing external component count. The device operates at a fixed 300kHz switching frequency and includes features such as soft-start, overcurrent protection, and thermal shutdown.

Features:

• Integrated Power MOSFETs (High-side and low-side)
• Adjustable Output Voltage (1.25V to 5.5V)
• High Efficiency (up to 95%)
• Fixed 300kHz Switching Frequency
• Soft-Start Functionality
• Overcurrent and Thermal Protection
• Low Shutdown Current (<10µA)
• Wide Input Voltage Range (4.5V to 28V)
• Synchronous Rectification for Improved Efficiency

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