LTC3883EUH#WTRPBF

DC DC Switching Controllers Overview

The LTC3883EUH-1#TRPBF is a single-phase Buck DC/DC controller from the PolyPhase series, designed for high-efficiency power management. It operates with an input voltage range of 4.5V to 24V and supports output voltages from 500mV to 5.4V. The device delivers up to 30A of output current and features a programmable switching frequency between 250kHz and 1MHz. It utilizes I²C and PMBus interfaces for digital power system management. The component is qualified under AEC-Q100 standards, ensuring reliability in automotive applications. It is housed in a 32-lead QFN package rated for operating temperatures from -40°C to +105°C.

DC DC Switching Controllers Feature Summary

• Supports digital power system management via I²C and PMBus serial interfaces
• Features clock synchronization capability for multi-phase expansion
• Includes integrated shutdown control and power good indicators
• Designed for non-isolated synchronous buck topologies

DC DC Switching Controllers Applications

• Automotive always-on systems requiring AEC-Q100 qualification
• Distributed DC power systems utilizing digital control
• Battery-operated digital devices needing efficient step-down regulation
• FPGA power supply designs requiring precise voltage monitoring

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (TRPBF vs WPBF) to confirm tape-and-reel versus tube packaging requirements. Confirm that the EUH-1 variant matches the required temperature grade and AEC-Q100 automotive qualification. Ensure the design accounts for the 32-QFN thermal pad connection for adequate heat dissipation during high-current operation.

DC DC Switching Controllers Selection Notes

Select this controller when digital monitoring via PMBus or I²C is required for a single-phase Buck converter. It is suitable for applications demanding up to 30A output current with input voltages up to 24V. Consider the AEC-Q100 qualification if the application involves automotive environments. Verify compatibility with external N-channel MOSFETs for the synchronous rectification stage.

DC DC Switching Controllers Part Context

The LTC3883 belongs to Analog Devices' PolyPhase family of switching regulators. This series emphasizes high efficiency and compact solutions for point-of-load applications. The EUH-1 designation indicates a specific temperature and package variation within the broader LTC3883 product line, tailored for robust industrial and automotive use cases.

DC DC Switching Controllers Replacement Considerations

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