LTC3880IUJ-1#PBF

DC DC Switching Controllers Overview

The LTC3880IUJ-1#PBF is a dual-channel PolyPhase synchronous step-down switching regulator controller manufactured by Analog Devices. It operates with an input voltage range of 4.5 V to 24 V and supports output voltages from 500 mV to 5.4 V. The device delivers up to 30 A per channel and features a switchable frequency of 1 MHz. It includes an I2C-based PMBus compatible serial interface for digital power system management. The component is housed in a 40-lead QFN package and functions within a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture supporting independent or parallel PolyPhase operation
• Integrated I2C-based PMBus compliant serial interface for digital control
• Optimized transient response via OPTI-LOOP compensation
• Independent TRACK/SS pins for synchronized startup sequencing

DC DC Switching Controllers Applications

• High-performance server and workstation power distribution
• Telecommunications infrastructure equipment
• Industrial automation systems
• Distributed DC power architectures

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status before ordering. Confirm the availability status as supply may be limited or subject to factory special orders. Ensure the design utilizes the correct 40-QFN footprint and thermal pad requirements specified in the official datasheet for proper mounting and heat dissipation.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high current density and precise digital monitoring. The dual-channel design allows for efficient power delivery in multi-rail systems. Consider the 1 MHz switching frequency for balancing efficiency and component size. Verify that the external MOSFETs and inductors are rated for the required 30 A per channel load conditions.

DC DC Switching Controllers Part Context

This component belongs to the LTC3880 family, which provides advanced digital power management solutions. The -1 suffix typically denotes specific pinout or functional variations within the series. It is designed to work with development kits such as the DC1709A for evaluation purposes. The device integrates precision references and error amplifiers for stable regulation.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other variants within the LTC3880 family, such as the LTC3880EUJ-1#PBF or LTC3880IUJ#PBF, depending on the required operating temperature grade and packaging format. Verify pin compatibility and electrical specifications before substitution.