MAX1981EGL

Overview

The MAX1981EGL is a single-phase Quick-PWM master controller designed for IMVP-IV CPU core power supplies. It implements active voltage positioning and supports high-frequency operation to minimize passive component size. The device integrates essential protection features including over-current, over-voltage, and thermal shutdown. It utilizes a compact package suitable for dense PCB layouts in server and workstation applications requiring precise voltage regulation.

Feature Summary

• Implements active voltage positioning for improved transient response
• Integrates comprehensive protection mechanisms including over-current and thermal shutdown
• Supports high switching frequencies to reduce external component footprint

Applications

• IMVP-IV CPU core power supplies
• Server motherboard voltage regulation modules
• Workstation graphics processing unit power delivery

Procurement Notes

Verify the specific suffix 'EGL' against the manufacturer's current datasheet to confirm pinout and electrical specifications. Ensure compatibility with existing IMVP-IV control protocols. Check for obsolescence notices or alternative recommendations from Analog Devices due to potential product lifecycle changes.

Selection Notes

Select this component when designing single-phase power stages for Intel IMVP-IV compliant processors. Evaluate thermal performance requirements as the controller manages high currents. Confirm that the system architecture aligns with the device's fixed frequency or adjustable frequency operation modes for optimal efficiency.

Part Context

This part belongs to Maxim Integrated's Quick-PWM family of controllers. These devices are engineered for high-performance computing applications where fast transient response and tight voltage tolerance are critical. The series typically includes variants supporting different phase counts and voltage ranges.

Replacement Considerations

Consult Analog Devices documentation for direct replacements such as other Quick-PWM controllers within the same IMVP-IV compatible portfolio. Verify pin-to-pin compatibility if substituting within the same package type.