LTC7818JUJ#TRPBF

DC DC Switching Controllers Overview

The LTC7818JUJ#TRPBF is a synchronous switching controller from Analog Devices, designed for Buck and Buck-Boost topologies. It features three independent outputs with a maximum output voltage of 40V and supports a programmable switching frequency range from 100 kHz to 3 MHz. The device accommodates an input supply voltage up to 40V and operates within a junction temperature range of -40°C to +125°C. Packaged in a 40-pin QFN (6x6 mm) format, it utilizes a tube packaging configuration.

DC DC Switching Controllers Feature Summary

• Supports multi-output Buck and Buck-Boost converter architectures
• Enables flexible power design through wide operating voltage ranges
• Provides high-frequency operation capabilities for compact designs

DC DC Switching Controllers Applications

• Industrial power systems
• Telecommunications infrastructure
• Distributed power architectures

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF against official documentation to confirm tape-and-reel packaging requirements. Ensure compatibility with the required QFN-40 footprint and thermal pad specifications during PCB layout. Confirm that the selected variant meets all necessary environmental and regulatory standards for the intended deployment environment.

DC DC Switching Controllers Selection Notes

Select this component when designing multi-rail power supplies requiring synchronized Buck or Buck-Boost regulation. Consider the 40V input limit and 3MHz maximum frequency when optimizing for size versus efficiency. Evaluate thermal performance requirements given the 125°C maximum junction temperature rating and the specific QFN package thermal characteristics.

DC DC Switching Controllers Part Context

This part belongs to the LTC7818 series of synchronous switching controllers. It shares functional similarities with other devices in the family but is distinguished by its specific pinout, packaging, and output count. The JUJ designation indicates the commercial temperature grade and QFN package type.

DC DC Switching Controllers Replacement Considerations

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