MAX8550ETI+T

Overview

The MAX8550ETI+T is an integrated DDR power-supply solution designed for desktops, notebooks, and graphic cards. It features a dual-output architecture with two independent step-down converters operating at a switching frequency of 600 kHz. The device supports a supply voltage range from 2.7 V to 5.25 V and delivers output currents up to 3 A per channel. It utilizes a 28-pin TQFN-EP package with exposed pad for enhanced thermal performance.

Feature Summary

• Integrates dual synchronous buck converters for efficient multi-rail DDR power delivery
• Supports flexible voltage sequencing and monitoring capabilities for system stability
• Optimized for high efficiency across varying load conditions in mobile and desktop platforms

Applications

• DDR memory power supplies for desktop computers
• Voltage regulation for notebook computer systems
• Power management for dedicated graphic cards

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and functional compatibility. Confirm RoHS compliance status and lead-free manufacturing details prior to integration. Ensure the supplier provides valid traceability records for the component batch.

Selection Notes

Select this component when designing power architectures requiring synchronized dual rails for DDR memory interfaces. Evaluate thermal dissipation requirements based on the TQFN-EP package characteristics and expected ambient operating temperatures within the target enclosure design constraints.

Part Context

This part belongs to the MAX8550/MAX8551 family of integrated DDR power-supply solutions manufactured by Maxim Integrated, now part of Analog Devices. These devices are engineered to simplify power design by combining multiple regulators and control logic into a single compact footprint suitable for space-constrained electronic applications.

Replacement Considerations

Public confirmed substitute part numbers: MAX8550ETI+TG05.