LTC3888IUHG-1#PBF

DC DC Switching Controllers Overview

The LTC3888IUHG-1#PBF is a dual-output, eight-phase synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with a switching frequency of 1 MHz and supports output voltages ranging from 300 mV to 3.45 V. The device is capable of delivering up to 400 A of output current. It functions within an operating temperature range of -40°C to +125°C and utilizes a QFN-52 surface-mount package. The controller draws 28 mA of supply current and features rise and fall times of 300 ns.

DC DC Switching Controllers Feature Summary

• Supports dual independent outputs with eight-phase capability for high-current distribution
• Integrates digital power management interfaces for system monitoring and control
• Features synchronous buck topology for efficient voltage conversion

DC DC Switching Controllers Applications

• High-performance computing platforms requiring multi-phase power delivery
• Graphics processing unit (GPU) power regulation
• Central processing unit (CPU) core voltage regulation

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix and marking codes match official datasheet specifications. Request original manufacturer documentation to validate lot traceability and RoHS compliance status prior to integration into production designs.

DC DC Switching Controllers Selection Notes

Select this controller for applications demanding high current density and precise voltage regulation. Ensure external MOSFET selection aligns with the 1 MHz switching frequency and 400 A total current capacity requirements. Verify that the PCB layout accommodates the QFN-52 package thermal pad requirements for adequate heat dissipation at maximum load conditions.

DC DC Switching Controllers Part Context

This component belongs to the PolyPhase family of power management integrated circuits designed for demanding server and workstation environments. It complements other Analog Devices controllers like the LTC3887 and LTC3882 by offering higher phase counts and current capabilities for next-generation processor power stages.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully when considering similar models within the LTC38xx series.