LTC3811EUHF#TRPBF

DC DC Switching Controllers Overview

The LTC3811EUHF#TRPBF is a high-speed, multiphase step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5 V to 30 V and supports output voltages from 600 mV to 3.3 V. The device delivers up to 20 A of output current with a single output configuration. Key electrical parameters include a maximum switching frequency of 500 kHz, a typical quiescent current of 20 uA, and a supply current of 10.5 mA. It functions reliably across an operating temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Supports multiphase buck topology for high-current applications
• Features high-speed control loop architecture
• Includes shutdown functionality for power management

DC DC Switching Controllers Applications

• Multiphase step-down DC/DC converter designs
• High-current point-of-load regulation
• Industrial power supply systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF against official Analog Devices documentation to confirm tape-and-reel packaging requirements. Ensure that the ordering information matches the exact part number specifications provided in the manufacturer's datasheet before finalizing procurement actions.

DC DC Switching Controllers Selection Notes

Select this component when designing multiphase buck converters requiring high-speed transient response and precise current sharing. Consider the 4.5 V to 30 V input range and 20 A output capability relative to system power demands. Verify compatibility with the QFN-38 package constraints and thermal management requirements for the intended operating environment.

DC DC Switching Controllers Part Context

This part belongs to the LTC3811 series of high-performance synchronous step-down controllers. It is designed for applications demanding efficient power conversion with minimal component count. The device integrates essential control features necessary for stable operation in complex power distribution networks.

DC DC Switching Controllers Replacement Considerations

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