LTC3891EFE#TRPBF

DC DC Switching Controllers Overview

The LTC3891EFE#TRPBF is a low quiescent current synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 60V and supports output voltages from 800mV to 24V. The device features a fixed switching frequency of 900kHz and delivers up to 15A of output current. It utilizes a TSSOP-EP-20 package and maintains a static current of 50uA. The operational temperature range spans from -40°C to +125°C, ensuring reliability in demanding environments.

DC DC Switching Controllers Feature Summary

• Supports high input voltages up to 60V for flexible power distribution architectures
• Maintains ultra-low quiescent current to enhance efficiency during light-load conditions
• Integrates synchronous rectification control for improved conversion efficiency
• Includes comprehensive protection features such as overcurrent limiting and soft-start

DC DC Switching Controllers Applications

• Industrial point-of-load regulation systems
• Telecommunications infrastructure power supplies
• Enterprise server and storage backplanes
• High-voltage battery-powered equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF confirms tape-and-reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure the TSSOP-EP-20 package variant matches your PCB footprint requirements. Validate that the operating temperature range meets your environmental specifications before finalizing procurement decisions.

DC DC Switching Controllers Selection Notes

Select this component when designing single-phase buck converters requiring high input voltage tolerance. The 900kHz frequency allows for compact passive component selection. Consider the 50uA quiescent current for applications prioritizing standby power savings. Ensure external MOSFETs can handle the 15A current capability supported by the controller's drive strength.

DC DC Switching Controllers Part Context

This part belongs to the LTC3891 family of synchronous step-down controllers. It shares functional similarities with other members like the LTC3891IUDC but differs in package type and thermal performance. The EFE suffix denotes the TSSOP-EP-20 package variant, distinguishing it from QFN options within the same series.

DC DC Switching Controllers Replacement Considerations

LTC3891EFE#PBF serves as a tube-packaged alternative with identical electrical characteristics. Designers may also consider the LTC3891IUDC#TRPBF for QFN-based layouts. Verify pin compatibility and thermal pad requirements when substituting between package types.