LTC3882IUJ-1#TRPBF

DC DC Switching Controllers Overview

The LTC3882IUJ-1#TRPBF is a dual-channel PolyPhase DC/DC synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It features a constant frequency, leading-edge modulation voltage mode architecture designed for excellent transient response and output regulation. The device supports a 7V to 14V input voltage range and delivers outputs of 1V at 40A or 1.8V at 30A. Operating at a fixed 500kHz switching frequency, it utilizes a PMBus-compatible serial interface for digital power system management. The component is housed in a 40-WFQFN exposed pad package.

DC DC Switching Controllers Feature Summary

• Dual-channel PolyPhase architecture for synchronized multi-phase buck conversion
• PMBus-compatible serial interface enabling comprehensive digital power control
• Constant frequency leading-edge modulation ensuring stable transient performance
• Voltage mode control topology optimized for precise output regulation

DC DC Switching Controllers Applications

• High-current FPGA core voltage regulation
• Point-of-load (POL) converter stages
• Digital power system management platforms
• Multi-phase synchronous buck applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the -1 variant matches the required current capabilities for your target load conditions. Ensure compatibility with the intended PMBus implementation for digital control integration. Cross-reference the 40-QFN footprint dimensions against your PCB layout constraints prior to finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller when high current density and digital monitoring are required. The dual-channel design simplifies board space compared to single-channel alternatives. Verify that external DrMOS power stages are compatible with the controller's drive requirements. Consider thermal dissipation needs given the 40A output capability per channel. Ensure the 500kHz frequency aligns with EMI constraints and inductor selection goals.

DC DC Switching Controllers Part Context

This component belongs to the LTC3882 family of PolyPhase controllers from Analog Devices. It is specifically engineered for demanding digital power applications requiring high efficiency and precise control. The -1 suffix denotes the specific pinout and functional configuration variant within the series. It serves as a central management unit for complex multi-phase power delivery systems.

DC DC Switching Controllers Replacement Considerations

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