LTC3888IUHG#PBF

DC DC Switching Controllers Overview

The LTC3888IUHG#PBF is a dual-output, eight-phase step-down DC/DC controller designed for high-current applications. It operates with an input voltage range of 4.5 V to 26.5 V and supports output voltages from 300 mV to 3.45 V. The device delivers up to 400 A of output current at a switching frequency of 1 MHz. It features a QFN-52 package and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports dual independent outputs with eight phases per channel for high current density
• Integrates digital power system management via PMBus compatibility
• Designed for direct interface with DrMOS devices to simplify board layout

DC DC Switching Controllers Applications

• Low voltage power rails in communication systems
• Server and network infrastructure power supplies
• Industrial system power distribution

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (e.g., #PBF) against official Analog Devices documentation to confirm lead-free compliance and exact pinout configuration. Confirm availability status as supply may be limited or restricted. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

DC DC Switching Controllers Selection Notes

Select this component when designing power stages requiring high current delivery exceeding standard single-phase capabilities. The integrated digital control simplifies monitoring and protection logic. Ensure the external DrMOS components are compatible with the controller's drive signals and timing requirements for optimal performance.

DC DC Switching Controllers Part Context

This part belongs to the LTC3888 series of PolyPhase controllers. It is distinct from lower-phase variants like the LTC3882 or single-channel models such as the LTC3883. The device addresses the industry challenge of reducing footprint while increasing load current in low-voltage, high-amperage designs.

DC DC Switching Controllers Replacement Considerations

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