Maxim Integrated's MAX889SESA+ Voltage Inverter

The MAX889SESA+ is a high-performance, reliable voltage inverter designed by Maxim Integrated. This compact, surface-mount device is engineered to generate a negative voltage supply from a positive input voltage, making it an ideal solution for applications requiring a dual supply from a single power source.

Key Features

• Input Voltage Range: The MAX889SESA+ operates with an input voltage range of +2.7V to +5.5V, accommodating a variety of power sources and ensuring compatibility with both 3.3V and 5V systems.
• Output Voltage: It provides a stable and adjustable negative output voltage, which is set by the ratio of two external resistors, giving designers the flexibility to tailor the output to specific needs.
• High Efficiency: This voltage inverter features a high efficiency of up to 90%, minimizing power loss and heat generation, which is critical for battery-powered and energy-sensitive applications.
• Low Power Consumption: With a quiescent current of only 120µA, the MAX889SESA+ helps in extending battery life in portable devices.
• Switching Frequency: Its internal oscillator operates at a switching frequency of 35kHz, which is a good balance between efficiency and the size of external components.
• Package: Available in a space-saving 8-pin SO package, the MAX889SESA+ is suitable for compact electronic assemblies.

Applications

The versatility of the MAX889SESA+ makes it suitable for a wide range of applications, including:

• Portable devices requiring extended battery life
• Power supply for operational amplifiers in single-supply systems
• Interface power supplies for data acquisition systems
• Memory backup power supplies
• Small LCD panel bias supplies

With its robust design and Maxim Integrated's commitment to quality, the MAX889SESA+ is an excellent choice for designers looking to integrate a negative voltage supply into their circuits without compromising on space or power efficiency.