LTC3883IUH-1

DC DC Switching Controllers Overview

The LTC3883IUH-1 is a single-phase PolyPhase buck DC/DC controller from Analog Devices, housed in a 32-lead QFN package. It operates with an input voltage range of 4.5V to 24V and supports switching frequencies between 250kHz and 1MHz. The device delivers up to 30A output current with adjustable output voltages from 500mV to 5.4V. It features I2C and PMBus interfaces for digital power management, includes clock synchronization capabilities, and functions within a junction temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports digital power system management via integrated I2C and PMBus serial interfaces
• Enables precise phase control and frequency synchronization for multi-phase expansion
• Incorporates internal soft-start and current limit protection mechanisms

DC DC Switching Controllers Applications

• High-density server and workstation power distribution networks
• Industrial distributed power supply architectures
• Telecommunications base station equipment
• FPGA core voltage regulation systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation when ordering, as variants such as #WPBF indicate automotive qualification while standard versions may differ. Confirm availability status directly with authorized distributors, as supply constraints may apply. Ensure the selected package matches the required thermal and mechanical specifications for the target PCB layout.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring high-current single-phase conversion with advanced digital control capabilities. Evaluate the need for I2C or PMBus integration against simpler analog control alternatives. Consider the operating temperature range and package thermal performance to ensure reliable operation under maximum load conditions.

DC DC Switching Controllers Part Context

This part belongs to the LTC3883 family of PolyPhase controllers designed for high-efficiency power delivery. It complements other devices in the series by providing scalable solutions for complex power management requirements. The technology focuses on minimizing component count while maximizing dynamic response and efficiency in demanding electronic systems.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3883EUH-1#PBF for commercial grade applications. Verify pin compatibility and electrical parameters before integrating alternative packages or temperature grades into existing designs.