The MAX763AESA+ from Maxim Integrated is a high-efficiency, voltage-mode, step-up DC-DC converter designed to deliver a fixed or adjustable output voltage from a lower voltage input. This compact and versatile device is housed in an 8-pin NSOIC package, making it an ideal solution for space-constrained applications.

Key Features

• Input Voltage Range: The device operates from a 2V to 16.5V input, making it suitable for a wide range of power sources, including single-cell batteries.
• Adjustable Output Voltage: The output voltage is adjustable from 2.5V up to 11V, providing flexibility for various design requirements.
• Fixed Output Options: Fixed output voltage versions are also available, offering standard voltages for ease of design and implementation.
• High Efficiency: With efficiencies up to 87%, the MAX763AESA+ minimizes power loss and heat dissipation, extending battery life in portable applications.
• Low Quiescent Current: The low quiescent current of 110µA (typical) reduces standby power consumption, further enhancing battery life.
• Frequency Operation: The 125kHz (typical) switching frequency allows for the use of small, low-cost inductors and capacitors.
• Thermal Shutdown: Built-in thermal shutdown protection ensures safe operation by turning off the device if the internal temperature exceeds safe limits.

Applications

The MAX763AESA+ is suitable for a variety of applications, including:

• Battery-Powered Devices
• Portable Handheld Instruments
• Medical Equipment
• Wireless Communication Devices
• Power Backup Systems

Conclusion

Maxim Integrated's MAX763AESA+ step-up DC-DC converter offers a robust and efficient solution for boosting voltage in a wide range of electronic devices. Its versatility, high efficiency, and thermal protection make it an excellent choice for designers looking to optimize power management in their applications.