LTC7805RUFDM#TRPBF

DC DC Switching Controllers Overview

The LTC7805RUFDM#TRPBF is a dual synchronous step-down controller from Analog Devices, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5 V to 40 V and supports output voltages from 800 mV to 40 V. The device features a fixed switching frequency of 3 MHz and delivers low quiescent current of 14 uA. It utilizes a QFN-28 package and functions within a temperature range of -40°C to +150°C.

DC DC Switching Controllers Feature Summary

• Dual channel architecture supporting independent or interleaved buck topologies
• Low quiescent current operation for enhanced efficiency in standby modes
• Integrated synchronous rectification drivers for improved power handling
• Supports clock synchronization and phase control capabilities

DC DC Switching Controllers Applications

• Industrial point-of-load regulation systems
• Telecommunications infrastructure power supplies
• Automotive electronics requiring robust voltage conversion
• Computing equipment internal bus voltage regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier provides valid traceability data for quality assurance purposes during the acquisition process.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring dual isolated outputs or interleaved phases to reduce input ripple. The 3 MHz frequency allows for smaller passive components compared to lower frequency alternatives. Evaluate thermal performance requirements given the wide operating temperature range and surface mount package constraints.

DC DC Switching Controllers Part Context

This part belongs to the LTC7805 family of low IQ synchronous buck controllers. It shares architectural similarities with other high-voltage regulators but is distinct in its dual-channel configuration and specific 3 MHz switching frequency optimization for compact form factors.

DC DC Switching Controllers Replacement Considerations

Consult official substitution lists for compatible single-channel variants or higher voltage rated controllers if system requirements change. Verify pinout compatibility before replacing with similar models from the same manufacturer series.