MAX1855EEG+

Overview

The MAX1855EEG+ is a high-speed, adjustable single-output DC-DC switching controller manufactured by Analog Devices Inc./Maxim Integrated. It operates with an input voltage range of 2V to 28V and provides an adjustable output voltage between 0.6V and 1.75V. The device supports a wide switching frequency range from 100kHz to 600kHz and functions within a temperature range of -40°C to +85°C. It is housed in a 24-QSOP surface-mount package.

Feature Summary

• High-speed operation for efficient power conversion
• Wide input voltage compatibility
• Adjustable output voltage regulation

Applications

• Point-of-load power supplies
• Industrial control systems
• Telecommunications equipment

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices. Ensure the specific suffix matches design requirements as packaging variations may exist. Validate datasheet revisions against current engineering specifications before integration.

Selection Notes

Select this controller for applications requiring wide input voltage flexibility and precise low-voltage regulation. Consider the QSOP package constraints for PCB layout. Evaluate thermal management needs based on the specified operating temperature range and switching frequency capabilities.

Part Context

This component belongs to the MAX1855 series of power management ICs designed for buck converter topologies. It integrates essential control logic for synchronous rectification and offers features like clock synchronization and power good indicators for system reliability.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.