LTC3884EUK#PBF

DC DC Switching Controllers Overview

The LTC3884EUK#PBF is a dual-output PolyPhase step-down controller featuring Ultra Low DCR sensing and digital power system management. It operates with an input voltage range of 4.5V to 38V and supports switching frequencies from 200kHz to 1MHz. The device provides two independent outputs, each capable of driving up to 30A, for a combined capacity of 60A. Output voltages are adjustable from 500mV to 5.5V. It utilizes a GQFN-48 package and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Dual-output architecture enabling independent or parallel operation for high-current applications
• Integrated digital power system management via SPI interface for configuration and monitoring
• Ultra Low DCR sensing technology for precise current sharing and load regulation
• Sub-milliohm DCR sensing capability supporting high-efficiency synchronous buck topologies

DC DC Switching Controllers Applications

• High-density single-rail server power supplies
• Distributed DC power systems requiring multi-phase synchronization
• Telecommunications infrastructure power distribution
• Industrial equipment requiring precise current balancing

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and thermal pad configurations. Ensure compatibility with the intended PCB footprint, as the GQFN-48 package requires specific soldering profiles. Cross-reference the datasheet revision date to validate electrical parameters against your design requirements before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring dual independent outputs or synchronized multi-phase operation. The integrated digital management features simplify board layout by reducing external passive components. Consider the thermal performance of the GQFN-48 package relative to the total output current requirements. Verify that the host microcontroller supports the required SPI communication protocol for full feature utilization.

DC DC Switching Controllers Part Context

This part belongs to the LTC3884 family of PolyPhase controllers designed for high-performance power management. It complements slave controllers like the LTC3874 in demonstration circuits such as the DC2084A. The series emphasizes digital control capabilities and precision current sharing for modern computing and industrial loads.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers: None identified in available documentation.