Maxim Integrated MAX764EPA Overview

The MAX764EPA is a high-efficiency, voltage-inverting DC-DC converter designed and manufactured by Maxim Integrated. This versatile integrated circuit (IC) is engineered to provide a reliable and compact power conversion solution for a wide range of applications, particularly where a negative voltage rail is required.

Key Features

• Voltage Conversion: The MAX764EPA can convert positive voltage inputs ranging from +4.5V to +16V into a negative output voltage, which is adjustable from -1.25V to -16V. This makes it an ideal choice for systems that require a stable negative supply voltage.
• High Efficiency: Thanks to its switch-mode operation, the device can achieve up to 94% conversion efficiency, minimizing power loss and heat generation, which is crucial for battery-powered and thermally sensitive applications.
• Adjustable Output: Users can set the desired output voltage by selecting appropriate external resistors, offering flexibility in design and the ability to cater to specific requirements.
• Low Quiescent Current: The IC has a low quiescent current of only 110µA, making it suitable for portable devices where power conservation is a priority.
• Compact Package: The MAX764EPA comes in an 8-pin DIP package, allowing for easy integration into a variety of circuit designs without taking up significant board space.

Applications

The MAX764EPA is commonly used in applications such as:

• Portable Instruments
• Battery-Powered Equipment
• Negative Voltage Generators
• Operational Amplifier Power Supplies
• Interface Power Supplies

Reliability and Protection

Maxim Integrated has equipped the MAX764EPA with several protective features to ensure reliable operation under various conditions. These include thermal shutdown protection and current limiting, which safeguard the device against overheating and overcurrent situations. Additionally, the built-in soft-start feature reduces inrush current at startup, further enhancing the longevity and stability of the power supply circuit.

Overall, the MAX764EPA from Maxim Integrated stands out as a robust and flexible solution for generating negative voltages in a multitude of electronic systems, delivering performance and reliability in a compact form factor.