LTC3789EGN#PBF

DC DC Switching Controllers Overview

The LTC3789EGN#PBF is a high-efficiency synchronous four-switch buck-boost controller manufactured by Analog Devices Inc. It operates within an input voltage range of 5V to 36V and provides a fixed output voltage of 12V. The device supports up to 5A of continuous output current across the entire input voltage range. Featuring a buck-boost topology, it achieves efficiency ratings of up to 97%. The component is housed in a 28-lead SSOP package.

DC DC Switching Controllers Feature Summary

• Synchronous four-switch buck-boost topology for seamless step-up and step-down operation
• High conversion efficiency with optimized switching performance
• Capable of delivering stable output current over wide input voltage variations

DC DC Switching Controllers Applications

• Battery-powered systems requiring extended runtime through efficient voltage regulation
• Industrial control units operating with variable supply voltages
• Telecommunications equipment utilizing standard bus voltage levels

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when sourcing. Confirm the SSOP-28 package dimensions match your PCB footprint requirements. Ensure the 5V to 36V input range aligns with your system's power source specifications before finalizing procurement decisions.

DC DC Switching Controllers Selection Notes

Select this controller when a single IC solution is required for both buck and boost operations without external diodes. It is suitable for designs needing high efficiency across varying input conditions. Consider thermal management capabilities as the device handles significant current loads within its specified voltage window.

DC DC Switching Controllers Part Context

This component belongs to the LTC3789 family of power management integrated circuits designed for versatile DC/DC conversion. It serves as a core controller for developing compact power supplies where space and efficiency are critical constraints. The part integrates necessary drive signals for external MOSFETs to minimize external component count.

DC DC Switching Controllers Replacement Considerations

Direct replacements include other variants within the LTC3789 series such as LTC3789EUFD#PBF for QFN packaging or temperature grade differences. Verify pin compatibility and electrical parameters before substituting.