LTC3769IUF#PBF

DC DC Switching Controllers Overview

The LTC3769IUF#PBF is a synchronous boost and SEPIC DC-to-DC switching controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5V to 60V and supports output voltages from 2.3V to 60V. The device features a programmable switching frequency between 105kHz and 760kHz, delivering up to 5A output current. It utilizes a 24-WFQFN (4x4) package with exposed pad for surface mount installation. The controller includes integrated soft start, current limit, enable, and power good functions.

DC DC Switching Controllers Feature Summary

• Supports both Boost and SEPIC topologies for versatile DC-to-DC conversion applications
• Integrated synchronous rectification for improved efficiency in high-current designs
• Programmable switching frequency allows optimization for specific design requirements
• Includes comprehensive protection features such as current limiting and soft start

DC DC Switching Controllers Applications

• Industrial power supplies requiring wide input voltage ranges
• Battery-powered systems utilizing SEPIC topology for variable source voltages
• Automotive electronics operating within extended temperature grades
• Telecommunications infrastructure equipment needing reliable DC-DC control

DC DC Switching Controllers Procurement Notes

Verify the exact suffix and full part number against official Analog Devices documentation before ordering. Confirm that the specified temperature grade and package variant match your system requirements. Ensure compatibility with external components such as MOSFETs and inductors based on the electrical specifications provided in the datasheet.

DC DC Switching Controllers Selection Notes

Select this component when designing circuits requiring both boost and SEPIC capabilities within a single controller. Consider the 4.5V to 60V input range and the need for synchronous rectification. Evaluate the thermal performance of the 24-QFN package for your specific power dissipation needs. Ensure the switching frequency range aligns with your EMI and size constraints.

DC DC Switching Controllers Part Context

This part belongs to the LTC3769 family of low IQ synchronous boost controllers. It shares functional similarities with other members like the LTC3769MPUF#PBF but may differ in temperature rating or availability status. The series is designed for high-efficiency power management in demanding environments.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult Analog Devices for direct replacements or pin-compatible alternatives if this specific variant is discontinued or unavailable.