LTC7840EUFD#PBF

DC DC Switching Controllers Overview

The LTC7840EUFD#PBF is a dual output synchronous boost, flyback, and SEPIC switching controller manufactured by Analog Devices. It operates with an input voltage range of 5.5 V to 60 V and supports two independent outputs. The device features a programmable switching frequency adjustable from 50 kHz to 425 kHz and allows for a maximum duty cycle of 96%. It is housed in a 28-lead QFN package rated for operation between -40°C and +125°C.

DC DC Switching Controllers Feature Summary

• Supports multiple non-isolated topologies including boost, flyback, and SEPIC configurations
• Provides independent control for two separate output channels
• Enables flexible system design through wide-range programmable switching frequencies

DC DC Switching Controllers Applications

• Industrial power supply systems requiring high efficiency
• Automotive electronics utilizing non-isolated DC/DC conversion
• Avionics equipment needing robust power management solutions

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm temperature grade and packaging details. Ensure compatibility with external MOSFETs and passive components for the intended topology. Confirm RoHS compliance status through current manufacturer declarations before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits requiring dual-output flexibility within a single controller package. Consider the 60 V maximum input limit and the specific thermal requirements of the QFN-28 package. Evaluate the need for external synchronization or soft-start features based on system startup constraints.

DC DC Switching Controllers Part Context

This part belongs to the LTC7840 family of high-efficiency synchronous controllers designed for versatile power conversion applications. It shares architectural similarities with other members of the series but offers specific pinout and performance characteristics tailored for dual-channel implementations in compact form factors.

DC DC Switching Controllers Replacement Considerations

Consult official substitution guides for compatible alternatives such as the LTC7840I variant for extended industrial temperature ranges. Verify pin-to-pin compatibility and electrical parameter alignment before implementing any cross-reference parts.