LTC3887EUJ-1

DC DC Switching Controllers Overview

The LTC3887EUJ-1 is a dual-output, multiphase synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It features an integrated PMBus interface for digital power system management and supports DCR current sensing. The device operates with an input voltage range of 4.5V to 24V and provides two independent output channels. Each channel utilizes a two-phase current mode architecture to deliver high efficiency and precise regulation. The controller is housed in a 40-lead QFN package.

DC DC Switching Controllers Feature Summary

• Dual-output multiphase synchronous buck controller architecture
• Integrated PMBus interface for digital power system management
• Supports DCR (inductor DCR) current sensing for accurate load regulation
• Two-phase current mode control per output channel

DC DC Switching Controllers Applications

• High-performance computing platforms requiring multi-rail power distribution
• Graphics processing unit (GPU) core voltage regulation
• Server and storage subsystem power supplies
• Telecommunications base station bias supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and feature set variations. Ensure compatibility with required PMBus implementations and thermal management solutions. Confirm package availability and lead times through authorized distributors as supply levels may fluctuate.

DC DC Switching Controllers Selection Notes

Select this component when dual isolated or coupled outputs are required from a single controller. It is suitable for designs needing digital monitoring and control via PMBus. Consider thermal performance and PCB layout requirements for high-current applications. Verify that the external MOSFETs and inductors match the controller's drive capabilities and frequency settings.

DC DC Switching Controllers Part Context

This part belongs to the LTC388x family of multiphase controllers designed for demanding digital power applications. It complements other variants like the LTC3887 and LTC3880, offering specific configuration options for dual-output systems. The family emphasizes high efficiency and compact solution size for modern electronic devices.

DC DC Switching Controllers Replacement Considerations

LTC3887EUJ#PBF: Single output variant; verify if dual output capability is strictly required. LTC3880EUJ: Different pinout and feature set; requires schematic redesign. No direct pin-to-pin substitutes exist for the dual-output configuration without hardware changes.