The MAX660EPA is a versatile CMOS charge-pump voltage converter manufactured by Maxim Integrated. Designed to provide a simple and efficient solution for voltage conversion, this device is capable of converting a positive voltage in the range of 1.5V to 5.5V to the corresponding negative voltage of the same magnitude.

Key Features

• High Efficiency: The MAX660EPA offers a conversion efficiency of up to 99%, ensuring minimal power loss during voltage conversion.
• Low Power Operation: With a quiescent current of only 110µA, this voltage converter is suitable for battery-powered and low-power applications.
• Versatile Voltage Range: The input voltage range of 1.5V to 5.5V makes it compatible with a wide variety of power sources, including standard battery voltages.
• High Output Current: Capable of delivering a maximum output current of 100mA, the MAX660EPA can drive small loads directly.
• No External Diode Required: Unlike many other charge pump converters, this device does not require an external diode, simplifying the circuit design and reducing component count.
• Frequency Operation: The MAX660EPA operates at a switching frequency of 10kHz to 100kHz, which can be set by an external capacitor.

Applications

The MAX660EPA is ideal for a variety of applications, including but not limited to:

• Portable devices
• Operational amplifier power supplies
• Memory backup systems
• Data acquisition systems
• Negative voltage generators

Package and Reliability

This device is offered in an 8-pin DIP (Dual In-line Package) encapsulation, known as the EPA package, which is suitable for through-hole mounting. The MAX660EPA is characterized for operation from -40°C to +85°C, ensuring reliable performance across a broad range of environmental conditions.

Conclusion

The Maxim Integrated MAX660EPA stands out as a compact, efficient, and reliable solution for generating negative voltages in a variety of electronic applications. Its ease of use, combined with high efficiency and low-power operation, makes it a valuable component for designers looking to simplify their power supply design without compromising on performance.