LTC3780IUH#TRPBF

DC DC Switching Controllers Overview

The LTC3780IUH#TRPBF is a high-efficiency, synchronous four-switch buck-boost switching regulator controller manufactured by Analog Devices Inc. It operates within 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 with a fixed switching frequency of 400kHz. It features a supply voltage range of 4V to 30V, a typical static current of 1.5mA, and operates across a temperature range of -40°C to +125°C. The component is housed in a 32-QFN (5x5mm) package.

DC DC Switching Controllers Feature Summary

• Synchronous four-switch topology enabling efficient step-down and step-up conversion
• Integrated control features including cycle-by-cycle current limit, enable, power good, and soft start
• Capable of maintaining regulation across wide input and output voltage variations

DC DC Switching Controllers Applications

• Battery-powered systems requiring extended runtime through efficient voltage regulation
• Industrial equipment operating with varying supply voltages
• Automotive electronics utilizing single-cell lithium-ion or lead-acid batteries

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF confirms tape-and-reel packaging when ordering. Ensure the design accommodates the 32-QFN thermal requirements for the I-grade temperature rating. Confirm RoHS compliance status matches project specifications before finalizing procurement documentation.

DC DC Switching Controllers Selection Notes

Select this controller for applications demanding high efficiency across both buck and boost modes. It is suitable where input voltage may drop below or rise above the desired output level. Consider the 400kHz fixed frequency for EMI management and external component sizing compared to adjustable frequency alternatives.

DC DC Switching Controllers Part Context

This component belongs to the LTC3780 family of power management ICs designed for versatile DC-DC conversion. It serves as a controller requiring external MOSFETs and passive components. The part is distinct from integrated regulators, offering flexibility for custom power stage designs in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

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