The MAX861ESA-T from Maxim Integrated is a highly efficient, compact, and versatile charge pump voltage converter that is designed to provide a solution for applications requiring voltage inversion from a positive power supply. This device is particularly suitable for battery-powered equipment, portable devices, and any other systems where a negative voltage rail is needed alongside a positive supply.

Key Features

• Output Voltage: The MAX861ESA-T can generate a fixed output voltage of -5V, which is ideal for powering operational amplifiers, data converters, and other analog circuitry that require a negative supply.
• Efficiency: With its charge pump technology, this voltage converter offers a high power efficiency, minimizing battery drain in portable applications.
• Low Power Consumption: The quiescent current is extremely low, typically 110µA, which helps to extend battery life in portable devices.
• No Inductors Required: The device operates without the need for inductors, thereby reducing the overall component count and simplifying the circuit design.
• Small Package: The MAX861ESA-T comes in an 8-pin SOIC package, which is ideal for space-constrained applications.

Applications

The versatile nature of the MAX861ESA-T makes it suitable for a wide range of applications, including:

• Portable battery-powered devices
• Interface power supplies
• Operational amplifier negative supply generator
• Data acquisition systems
• Handheld medical equipment

Product Specifications

In conclusion, the MAX861ESA-T from Maxim Integrated is a reliable and efficient solution for generating a negative voltage rail in various electronic applications. Its high efficiency, low power consumption, and compact form factor make it an excellent choice for designers looking to optimize their power supply design.