Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX889RESA+

MAX889RESA+ Description

The MAX889RESA+ is a high-efficiency, adjustable negative charge pump DC-DC switching regulator from Analog Devices Inc./Maxim Integrated. Designed for precision power management, it delivers up to 200mA of output current with an input voltage range of 2.7V to 5.5V, making it suitable for low-power applications. The device operates at a 500kHz switching frequency, ensuring compact design integration while minimizing external component count. Housed in an 8-pin SOIC package, it features a negative output configuration and is RoHS3 compliant, meeting stringent environmental standards. Its REACH unaffected status and MSL 1 (Unlimited) rating ensure reliability in manufacturing and handling.

MAX889RESA+ Features

• Adjustable Output: Provides flexibility for custom voltage requirements.
• Wide Input Range (2.7V–5.5V): Compatible with various power sources, including Li-ion batteries.
• High Efficiency Charge Pump Topology: Eliminates the need for inductors, reducing board space and cost.
• 500kHz Switching Frequency: Enables smaller external capacitors and optimized PCB layout.
• 200mA Output Current: Supports moderate load demands with stable performance.
• Surface-Mount Design (8-SOIC): Ideal for space-constrained applications.
• Non-Synchronous Rectification: Simplifies design while maintaining efficiency.

MAX889RESA+ Applications

The MAX889RESA+ is ideal for:

• Portable Electronics: Powering negative rail circuits in handheld devices.
• LCD Bias Supplies: Generating negative voltages for display panels.
• Audio Amplifiers: Providing clean, regulated negative supplies for op-amps.
• Industrial Sensors: Enabling precise voltage inversion in measurement systems.
• Battery-Powered Systems: Efficiently managing power in low-voltage environments.

Conclusion of MAX889RESA+

The MAX889RESA+ stands out as a compact, efficient, and versatile solution for generating adjustable negative voltages. Its charge pump topology, wide input range, and robust performance make it a preferred choice for designers seeking reliability in space-sensitive and power-constrained applications. With Analog Devices/Maxim Integrated's proven quality, this regulator is well-suited for modern electronic systems demanding precision and efficiency.