LTC3851AEMSE#PBF

DC DC Switching Controllers Overview

The LTC3851AEMSE#PBF is a synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4 V to 38 V and delivers up to 25 A output current. The device supports output voltages from 800 mV to 5.5 V, featuring a fixed switching frequency of 750 kHz and low quiescent current of 20 uA. Packaged in a 16-lead MSOP, it functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology driving all N-channel MOSFETs
• Phase-lockable constant frequency current mode architecture
• Integrated shutdown control for power management

DC DC Switching Controllers Applications

• Distributed power systems
• Industrial equipment power supplies
• Telecommunications infrastructure

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized channels. Confirm package integrity and pin alignment against the MSOP-16 specification. Ensure environmental compliance documentation matches project requirements before integration into final assemblies.

DC DC Switching Controllers Selection Notes

Select this controller for high-current applications requiring precise voltage regulation. The wide input range suits various bus architectures. Evaluate thermal performance based on the 25 A capability and ensure adequate PCB layout for the MSOP-16 footprint.

DC DC Switching Controllers Part Context

This part belongs to the LTC3851A series of high-performance synchronous step-down controllers. It complements other variants like the LTC3851AHMSE#PBF, differing primarily in package type while maintaining identical electrical specifications and functional capabilities within the same product family.

DC DC Switching Controllers Replacement Considerations

LTC3851AHMSE#PBF offers equivalent electrical performance in an HMSE package.