The MAX680CPA+ is a highly efficient, CMOS charge-pump voltage converter manufactured by Maxim Integrated. This device is designed to deliver a dual output from a single 5V supply, making it an excellent choice for small, battery-operated devices where power efficiency is crucial.

Key Features

• Wide Input Voltage Range: The MAX680CPA+ operates from a 2V to 5.5V input, accommodating a variety of power sources.
• Dual Voltage Outputs: It provides both a positive and a negative output voltage, which are regulated to +10V and -10V, respectively, making it suitable for applications that require a split supply.
• High Power Efficiency: The charge pump technology enables the device to convert voltage with minimal loss of power, boasting a power efficiency of up to 99%.
• Low Quiescent Current: The low quiescent current draw of 10µA (typical) makes it ideal for battery-powered applications where extending battery life is critical.
• Frequency Operation: It operates at a switching frequency of 10kHz to 160kHz, which can be set by an external capacitor or driven by an external clock.

Applications

The MAX680CPA+ is versatile and can be used in a wide range of applications, including:

• Battery-Powered Devices
• Portable Instruments
• Data Acquisition Systems
• Operational Amplifier Power Supplies
• Memory Programming

Package and Temperature Range

The device is available in an 8-pin DIP package and operates over the extended industrial temperature range of -40°C to +85°C, ensuring reliable performance in a variety of environments.

Conclusion

Overall, the MAX680CPA+ from Maxim Integrated is a reliable and efficient solution for generating both positive and negative regulated voltages. Its high efficiency, low power consumption, and wide operating temperature range make it an excellent choice for designers looking to optimize power management in their applications.