MAX1988ETM-T

Overview

The MAX1988ETM-T is a dual-phase PWM controller designed for Intel IMVP-IV CPU voltage regulation modules. It operates within a supply voltage range of 3.0 V to 3.6 V and supports switching frequencies up to 1 MHz. The device integrates high-side and low-side drivers with programmable dead-time control to optimize efficiency and thermal performance. It features a compact QFN48 package suitable for space-constrained mobile computing applications.

Feature Summary

• Dual-phase architecture for efficient CPU core voltage regulation
• Integrated high-side and low-side gate drivers
• Programmable switching frequency and dead-time control
• Compliance with Intel IMVP-IV specifications

Applications

• Intel Mobile Core 2 Duo processor power delivery
• Ultra-mobile PC (UMPC) voltage regulator modules
• Netbook and tablet system-on-module power stages
• Low-voltage, high-current DC-DC conversion systems

Procurement Notes

Verify the suffix 'T' indicates tape-and-reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation. Ensure compatibility with existing PCB footprints for QFN48 packages. Validate that the component meets current environmental regulations for electronic assemblies in target markets.

Selection Notes

Select this controller for applications requiring dual-phase power delivery compliant with Intel IMVP-IV standards. Evaluate thermal management requirements due to integrated driver capabilities. Consider board layout constraints associated with the QFN48 package. Verify input voltage ranges match the system's available power rails before integration into the design.

Part Context

This component belongs to Maxim Integrated's portfolio of power management solutions for mobile processors. It addresses the demand for efficient voltage regulation in portable computing devices. The series supports various Intel mobile platform generations. Analog Devices acquired Maxim Integrated, influencing subsequent product support channels.

Replacement Considerations

Check for direct pin-compatible alternatives within the same IMVP-IV controller family. Verify functional equivalence regarding phase count and control loop characteristics. Consult manufacturer obsolescence notices for discontinuation status. Ensure substitute components maintain compatibility with existing firmware control algorithms.