The MAX1722 from Maxim Integrated is a highly efficient, compact, synchronous step-up DC-DC converter that is designed to provide a reliable power solution for battery-powered and low-voltage applications. This advanced power management integrated circuit (IC) is ideal for devices that require a regulated voltage supply from a lower voltage source.

Key Features

• Wide Input Voltage Range: The MAX1722 operates with an input voltage range from 0.7V to 5.5V, making it versatile for various battery chemistries and configurations.
• Adjustable Output Voltage: The output voltage is adjustable up to 5.5V, allowing for flexibility in powering a wide range of devices.
• High Efficiency: With its synchronous rectification and low quiescent current, the MAX1722 provides excellent efficiency, which is crucial for prolonging battery life in portable applications.
• Compact Size: Its small form factor is a result of an internal synchronous rectifier and integrated switches, which minimize the need for external components.
• True Shutdown™: The IC features a True Shutdown mode that disconnects the output from the input when shut down, reducing the shutdown current to virtually zero.

Applications

The MAX1722 is suitable for a variety of applications, including but not limited to:

• Portable medical devices
• Wireless headsets and wearables
• Smart cards and RFID tags
• Energy harvesting and low-power IoT devices

Design and Integration

Maxim Integrated has designed the MAX1722 to be user-friendly for engineers and designers. It requires minimal external components, which simplifies design and reduces time to market. Additionally, the device is available in a small, lead-free, 6-pin SOT23 package, ideal for space-constrained applications.

With its combination of efficiency, versatility, and compactness, the MAX1722 is a top choice for designers who need a reliable step-up solution in their next-generation portable and low-power electronics.