LTC3732CG#PBF

DC DC Switching Controllers Overview

The LTC3732CG#PBF is a synchronous step-down DC/DC switching controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5V to 7V and supports a switching frequency between 225kHz and 680kHz. The device features a maximum duty cycle of 98.5% and provides three positive output stages. Packaged in a 38-WFQFN (5x7) surface-mount format, it functions as a PolyPhase® buck converter controller suitable for high-current applications.

DC DC Switching Controllers Feature Summary

• Supports three-phase synchronous rectification for high-efficiency power conversion
• Includes integrated enable, power good, and soft-start control features
• Designed specifically for driving transistor-based load stages

DC DC Switching Controllers Applications

• CPU core voltage regulation modules
• High-current point-of-load converters
• Multi-phase power distribution networks

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates RoHS compliance when sourcing. Confirm the 38-QFN package dimensions match your PCB footprint requirements. Ensure the 4.5V to 7V input range aligns with your system's supply rails before finalizing procurement decisions.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring multi-phase buck control with a narrow input voltage window. It is appropriate for applications needing precise phase interleaving without external clock synchronization. Consider thermal management solutions due to the high current capabilities inherent in three-phase topologies.

DC DC Switching Controllers Part Context

This part belongs to the PolyPhase® series from Analog Devices, designed for demanding power management tasks. It complements other PMIC offerings by providing dedicated multi-phase control rather than integrated power stages. The component serves as a critical interface between low-voltage logic supplies and high-current processing loads.

DC DC Switching Controllers Replacement Considerations

Check for updated revisions within the LTC3732 family. Verify pin compatibility if substituting with similar multi-phase controllers from other manufacturers.