LTC3780EUH

DC DC Switching Controllers Overview

The LTC3780EUH#PBF is a high-efficiency, synchronous four-switch buck-boost switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 36V and supports output voltages from 800mV to 30V. The device delivers up to 10A of output current through a single output channel. Key electrical parameters include a typical static current of 1.5mA and a switch frequency of 400kHz. It functions within a temperature range of -40°C to +85°C and utilizes a 32-lead QFN package for surface mount installation.

DC DC Switching Controllers Feature Summary

• Synchronous four-switch topology enables efficient operation in buck, boost, and pass-through modes across wide input-output voltage differentials.
• Integrated control architecture eliminates the need for external logic or complex compensation networks typically required in traditional two-converter solutions.
• Supports precise load regulation and includes protection features such as soft start and cycle-by-cycle current limiting.

DC DC Switching Controllers Applications

• Automotive DC/DC converters requiring wide input voltage tolerance
• Industrial power supplies with variable input sources
• Battery-powered systems needing step-up and step-down capability

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm the QFN-32 package variant matches your PCB footprint requirements. Ensure the operating temperature grade aligns with your environmental specifications, as industrial grades may differ from military or extended variants. Cross-reference the manufacturer part number with official distributor catalogs to avoid counterfeit components.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems that require a single IC solution for both step-up and step-down conversion without using transformers. It is suitable for applications where input voltage varies significantly above and below the desired output level. Consider the 32-QFN package size and thermal dissipation needs for high-current designs exceeding 7A continuous operation.

DC DC Switching Controllers Part Context

The LTC3780 belongs to Analog Devices' family of high-performance DC/DC controllers. It is designed to replace discrete solutions or dual-converter setups that traditionally handle buck-boost functionality. The device integrates the necessary drive signals for four external N-channel MOSFETs, simplifying the design of high-power bidirectional power stages.

DC DC Switching Controllers Replacement Considerations

LTC3780IUH#TRPBF