LTC3784HUFD#TRPBF

DC DC Switching Controllers Overview

The LTC3784HUFD#TRPBF is a PolyPhase synchronous boost controller from Analog Devices Inc., housed in a 28-QFN (4x5) package. It operates with a supply voltage range of 4.5V to 60V and supports switching frequencies between 105kHz and 760kHz. The device features a maximum duty cycle of 96% and includes synchronous rectification. Control characteristics encompass current limiting, enable functionality, frequency control, power good indication, and soft start capabilities.

DC DC Switching Controllers Feature Summary

• PolyPhase synchronous boost controller architecture
• Integrated synchronous rectification for high efficiency
• Comprehensive control features including current limit and soft start

DC DC Switching Controllers Applications

• High power non-isolated output boost applications
• Industrial power systems requiring wide input voltage ranges
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific HU suffix against official Analog Devices documentation to confirm temperature grade and material specifications. Ensure the TRPBF designation matches the required reel packaging format for surface mount assembly processes. Cross-reference the 28-QFN footprint dimensions with PCB layout guidelines to guarantee mechanical compatibility during integration.

DC DC Switching Controllers Selection Notes

Select this component when designing boost converters requiring operation up to 60V input or output voltages. The adjustable switching frequency allows optimization for size versus efficiency trade-offs. Consider the thermal performance of the exposed pad QFN package for high-current applications. Validate that the required phase count aligns with the controller's multiphase drive capabilities.

DC DC Switching Controllers Part Context

The LTC3784 belongs to the PolyPhase series of power management ICs designed for demanding industrial and communication applications. This family emphasizes high efficiency and precise current sharing across multiple phases. The device serves as a core controller for complex DC-DC conversion topologies requiring robust regulation and protection features.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.