FAN5091MTCX

Special Purpose Regulators Overview

The FAN5091MTCX is a synchronous multi-slice DC-DC controller IC designed for high-performance processors. It operates with a maximum input voltage of 15 V and supports a switching frequency up to 2 MHz. The device delivers a programmable output voltage with a maximum output current capability of 3 A. It functions within an operating temperature range of 0 °C to 70 °C. This component implements a two-phase interleaved synchronous buck converter architecture.

Special Purpose Regulators Feature Summary

• Provides highly accurate, programmable output voltage suitable for processor power delivery
• Implements two-phase interleaved synchronous buck converter topology
• Supports switching frequencies up to 2 MHz

Special Purpose Regulators Applications

• Power supply control for Intel Pentium IV processors
• High-performance processor voltage regulation
• Synchronous multi-slice DC-DC conversion systems

Special Purpose Regulators Procurement Notes

Verify the manufacturer designation carefully, as this component has been associated with Fairchild Semiconductor, onsemi, and Infineon in various records. Confirm the specific datasheet version and pinout compatibility before integration. Ensure the ordering suffix matches the required packaging configuration. Cross-reference the ECCN code EAR99 for export compliance requirements relevant to your region.

Special Purpose Regulators Selection Notes

Select this controller when designing power stages for high-speed processors requiring precise voltage regulation. The two-phase interleaved design aids in reducing input ripple current. Verify that the system load does not exceed the 3 A output current limit. Ensure the input voltage remains within the 15 V maximum rating. Consider the thermal management requirements given the 70 °C maximum operating temperature specification.

Special Purpose Regulators Part Context

This component belongs to the family of switching regulator controllers used in digital logic power applications. It serves as a critical interface between the main power source and the processor core, managing the dynamic power demands through synchronized switching actions. The TSSOP package facilitates surface-mount assembly in compact electronic designs.

Special Purpose Regulators Replacement Considerations

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