LTC1628IUH#TRPBF

DC DC Switching Controllers Overview

The LTC1628IUH#TRPBF is a high-efficiency, two-phase synchronous buck switching controller manufactured by Analog Devices. It operates within an input voltage range of 4V to 36V and supports output currents up to 20A. The device features adjustable switching frequencies between 150kHz and 300kHz and includes integrated soft-start and power-good monitoring. Designed for surface-mount installation in a 32-lead QFN package (5mm x 5mm), it ensures stable regulation with low thermal impedance across operating temperatures from -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Dual-phase synchronous buck control architecture for enhanced current handling
• Integrated soft-start functionality to limit inrush current during startup
• Power-good signal output for system status monitoring
• Adjustable switching frequency synchronization capability

DC DC Switching Controllers Applications

• Point-of-load conversion for digital signal processors
• Memory subsystem power distribution networks
• Industrial equipment central power supplies
• Telecommunications base station bias circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the manufacturer designation aligns with Analog Devices Inc., as Linear Technology was acquired. Ensure the order specification matches the required reel quantity and that the component meets RoHS compliance standards for environmental regulations.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring dual independent outputs with high efficiency. Evaluate the thermal requirements of the 32-QFN package against the expected load current. Consider the 150kHz to 300kHz frequency range for optimizing external inductor and capacitor sizes while maintaining transient response performance.

DC DC Switching Controllers Part Context

This component belongs to the LTC1628 series of synchronous step-down controllers. It is part of Analog Devices' portfolio of power management integrated circuits designed for robust DC-to-DC conversion. The series is characterized by its ability to drive multiple phases simultaneously for improved power density.

DC DC Switching Controllers Replacement Considerations

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