LTC3858IUFD-1#TRPBF

DC DC Switching Controllers Overview

The LTC3858IUFD-1#TRPBF is a dual-channel synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 38V and supports output voltages from 600mV to 24V. The device features adjustable switching frequencies between 105kHz and 835kHz, or 350kHz and 535kHz, depending on the configuration. It utilizes a 28-Lead DFN package and functions within a junction temperature range of -40°C to 125°C.

DC DC Switching Controllers Feature Summary

• Dual independent channels for synchronized buck converter applications
• Integrated low IQ quiescent current management for efficiency
• Supports N-channel synchronous power MOSFET stages
• Includes programmable soft-start and frequency synchronization capabilities

DC DC Switching Controllers Applications

• High-performance dual step-down switching regulators
• Industrial distributed power systems
• Telecommunications infrastructure power supplies
• Point-of-load (POL) conversion modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and tape-and-reel packaging requirements against the official datasheet before ordering. Confirm that the 28-Lead DFN package dimensions match your PCB footprint constraints. Ensure compatibility with the required switching frequency ranges and thermal performance specifications for your target operating environment.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output DC-DC converters requiring high efficiency and precise voltage regulation. It is suitable for applications needing wide input voltage ranges and flexible switching frequency options. Consider the thermal dissipation characteristics of the DFN package and ensure adequate layout for high-frequency switching nodes.

DC DC Switching Controllers Part Context

This part belongs to the LTC3858 family of dual synchronous buck controllers. It shares functional similarities with other members like the LTC3858EGN-1 but differs in package type and mounting style. The family is designed for versatile power management solutions across various industrial and commercial sectors.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3858IGN-1#PBF and LTC3858EUH variants, provided the package form factor differences are accommodated. Verify pinout compatibility and electrical parameter equivalence before substitution.