LTC3765IMSE#TRPBF

Power Supply Controllers, Monitors Overview

The LTC3765IMSE#TRPBF is a synchronous step-down switching controller from Analog Devices, designed for high-efficiency DC/DC conversion. It operates within an input voltage range of 7.7V to 14.5V and features a quiescent supply current of 1.7 mA. The device utilizes the Direct Flux Limit topology and supports a switching frequency of 430 kHz with a maximum duty cycle of 79%. It provides one output channel capable of delivering up to 8.5 V at 35 uA. Packaged in a 16-MSOP-EP surface-mount format, it functions reliably across an extended temperature range of -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Implements Direct Flux Limit technology for precise control of magnetic flux in the transformer or inductor
• Provides integrated gate driver functionality for controlling external synchronous MOSFETs
• Supports secondary-side regulation architectures for improved load transient response

Power Supply Controllers, Monitors Applications

• Secondary-side controllers in isolated DC/DC converters
• PolyPhase multi-phase buck converter systems
• High-density point-of-load power supplies

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the part number matches the exact manufacturer designation from Analog Devices Inc. documentation. Ensure compatibility with required thermal and electrical specifications for the target application environment before finalizing procurement decisions.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring secondary-side regulation capabilities and low quiescent current operation. The 16-MSOP-EP package offers suitable thermal performance for surface-mount assembly. Consider the 430 kHz switching frequency and 79% maximum duty cycle constraints when designing the power stage components to ensure stable operation within the specified input voltage window.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC3765 series, which focuses on advanced synchronous buck controller technologies. It is often utilized in conjunction with evaluation boards such as DC1739A-B and DC2199B-C for design validation. The series emphasizes efficiency and dynamic response in multi-phase and isolated power conversion applications.

Power Supply Controllers, Monitors Replacement Considerations

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