LTC3786EUD#PBF

DC DC Switching Controllers Overview

The LTC3786EUD#PBF is a synchronous step-up DC/DC controller manufactured by Analog Devices Inc. It supports boost, flyback, and SEPIC topologies with an adjustable output voltage. The device operates from a supply voltage range of 4.5 V to 38 V and delivers up to 5 A output current. Key electrical parameters include a quiescent current of 55 uA, a switching frequency range of 50 kHz to 900 kHz, and a load regulation of 0.01%. It functions within a temperature range of -40°C to +125°C and utilizes a 16-lead QFN package.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including boost, flyback, and SEPIC configurations
• Features low quiescent current operation for enhanced efficiency in standby modes
• Includes integrated synchronous rectification drivers for high conversion efficiency
• Provides comprehensive protection features such as cycle-by-cycle current limiting and soft start

DC DC Switching Controllers Applications

• Industrial power systems requiring isolated or non-isolated high-voltage generation
• Battery-powered equipment needing extended runtime through efficient power management
• Automotive electronics operating within wide input voltage ranges
• Telecommunications infrastructure utilizing standard bus voltages

DC DC Switching Controllers Procurement Notes

Verify the specific suffix EUD against official Analog Devices documentation to confirm the exact temperature grade and package variant. Ensure compatibility with required thermal dissipation methods for the QFN-16 footprint. Cross-reference the datasheet revision history to validate pinout consistency and feature availability for this specific part number before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits that require flexible topology options beyond simple buck or boost regulation. The wide input voltage range suits applications with varying source conditions. Consider the 5 A capability and external MOSFET selection for thermal management. Evaluate the need for the specific 50 kHz to 900 kHz frequency range regarding filter size and electromagnetic interference constraints.

DC DC Switching Controllers Part Context

This component belongs to the LTC3786 family of synchronous boost controllers designed for high-efficiency power conversion. It integrates the control logic and gate drivers necessary for managing external N-channel MOSFETs. The family is characterized by its ability to handle high input voltages while maintaining precise output regulation across diverse operating conditions.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other Analog Devices synchronous controllers if direct replacement is required.