LTC3895EFE#TRPBF

DC DC Switching Controllers Overview

The LTC3895EFE#TRPBF is a high-performance step-down switching regulator DC/DC controller designed to drive an all N-channel synchronous power MOSFET stage. It supports input voltages up to 140V and provides adjustable output voltages ranging from 800mV to 60V with a maximum output current of 10A. The device utilizes a constant frequency current mode architecture, allowing for a phase-lockable switching frequency of up to 850kHz. It operates within a temperature range of -40°C to +125°C and features a low quiescent current of 40µA.

DC DC Switching Controllers Feature Summary

• Supports high input voltage operation up to 140V for robust surge protection applications
• Drives all N-channel synchronous power MOSFETs for high efficiency
• Features a constant frequency current mode architecture with phase-lock capability

DC DC Switching Controllers Applications

• High voltage to low voltage step-down conversion
• Industrial power systems requiring surge protection
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the EFE package designation corresponds to the required thermal and physical footprint for your PCB layout. Ensure compatibility with the intended switching frequency and control loop compensation network before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring high input voltage tolerance and synchronous rectification. Consider the 850kHz maximum frequency for balancing component size against dynamic response. Verify that the external MOSFETs selected can withstand the 140V input stress and support the required 10A output current under your specific thermal conditions.

DC DC Switching Controllers Part Context

This component belongs to the LTC3895 series of high voltage synchronous buck controllers from Analog Devices. It is engineered for applications demanding high efficiency and wide input voltage ranges. The device integrates essential control functions while relying on external power stages for current handling, offering flexibility in system design.

DC DC Switching Controllers Replacement Considerations

Direct replacements include other parts within the LTC3895 family, such as the LTC3895IFE or LTC3895MPFE, depending on the required package type and operating temperature range. Verify pinout compatibility and electrical specifications before substituting.