MAX8794ETP+T

Special Purpose Regulators Overview

The MAX8794ETP+T is a low-voltage DDR linear regulator from Analog Devices/Maxim Integrated, designed for active-DDR termination and graphics processor cores. It delivers an accurate output voltage ranging from 0.5V to 1.5V using a power input between 1.1V and 3.6V. The device utilizes separate 3.3V bias supply for control circuitry and internal n-channel MOSFETs. Key electrical characteristics include a typical peak current of 3A, ±15mV maximum load-regulation error, and a power-good signal with a 2ms typical delay. It operates within a temperature range of -40°C to +85°C.

Special Purpose Regulators Feature Summary

• Integrates internal n-channel MOSFETs with 3A typical peak current capability and thermal-fault protection.
• Provides fast load-transient response and supports ceramic or polymer output capacitors.
• Generates a power-good signal indicating regulation status after a typical 2ms startup delay.
• Features external reference input with buffer and shutdown input for system control.

Special Purpose Regulators Applications

• Active-DDR termination bus powering
• Low-power chipset applications
• Graphics processor core voltage regulation

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized distributors due to obsolete status. Confirm package integrity and pin alignment against the 20-WFQFN exposed pad specification. Review datasheet revisions for any functional updates. Ensure compatibility with existing PCB layouts and thermal management requirements before integration into new designs.

Special Purpose Regulators Selection Notes

Select this component when precise low-voltage regulation is required for DDR memory systems. Consider the 3A current limit and fast transient response for dynamic load conditions. Evaluate the need for external reference inputs and power-good signaling features. Assess thermal dissipation capabilities within the TDFN or WFQFN package constraints for the specific application environment.

Special Purpose Regulators Part Context

The MAX8794 belongs to the Maxim Integrated line of specialized power management ICs focused on memory interface solutions. It complements other regulators in the portfolio by addressing the specific tracking and stability requirements of high-speed DDR technologies. The device represents a transition toward integrated solutions that reduce external component count while maintaining high accuracy.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The component status is listed as obsolete. Engineers should consult official manufacturer channels for potential end-of-life alternatives or cross-reference compatible devices based on pinout and electrical specifications.