Maxim Integrated MAX844ISA+T - Charge Pump Voltage Inverter

The MAX844ISA+T is a high-performance, low-power charge pump voltage inverter from Maxim Integrated, designed to provide a simple and efficient solution for generating a negative voltage from a positive voltage input. This compact device is ideal for applications that require a small, easy-to-use inverter with a minimal number of external components.

With its wide input voltage range of 1.5V to 5.5V, the MAX844ISA+T is versatile enough to be used in a variety of systems, including battery-powered devices where power efficiency is crucial. The output voltage is inverted from the input voltage, providing a stable and reliable negative voltage for applications such as biasing, LCD displays, and op-amp power supplies.

The MAX844ISA+T operates at a high switching frequency of 12kHz, which allows for small external capacitors to be used, thus minimizing the overall footprint of the power supply circuitry on the PCB. The low quiescent current of only 120µA (typical) makes it an excellent choice for portable and battery-operated equipment where power conservation is key.

This device comes in a small 8-pin SOIC package, making it easy to integrate into space-constrained applications. The MAX844ISA+T is also fully specified over the extended temperature range of -40°C to +85°C, ensuring reliable operation in a wide range of environments and applications.

Key features of the MAX844ISA+T include:

• Wide input voltage range: 1.5V to 5.5V
• High output current: up to 25mA
• High switching frequency: 12kHz
• Low quiescent current: 120µA typical
• Small 8-pin SOIC package
• Extended operating temperature range: -40°C to +85°C

Overall, the Maxim Integrated MAX844ISA+T is a reliable and efficient solution for designers looking to generate a negative voltage rail in their electronic projects. Its ease of use, coupled with its performance characteristics, makes it an excellent choice for a wide array of applications.