LTC3728LIGN-1#TRPBF

DC DC Switching Controllers Overview

The LTC3728LIGN-1#TRPBF is a dual high-performance synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4.5 V to 28 V and supports output voltages of 3.3 V and 5 V with up to 25 A output current per channel. The device features a constant frequency current mode architecture with a phase-lockable switching frequency of 550 kHz. It utilizes a 28-pin SSOP package and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Dual-channel synchronous buck controller driving all N-channel MOSFET stages
• Constant frequency current mode architecture for stable regulation
• Phase-lockable switching frequency capability up to 550 kHz
• Integrated control features including shutdown, power good, and soft start

DC DC Switching Controllers Applications

• High efficiency dual 5V/3.3V step-down converter designs
• Industrial systems requiring synchronized multi-phase power rails
• Telecommunications infrastructure power management
• Embedded computing platforms needing low noise regulation

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix #TRPBF indicates tape and reel packaging. Check for recent Product Change Notices regarding pinout or electrical specifications. Ensure storage conditions comply with moisture sensitivity levels defined in the datasheet prior to assembly.

DC DC Switching Controllers Selection Notes

Select this controller when designing dual-output synchronous buck converters requiring external N-channel MOSFETs. It is suitable for applications demanding phase synchronization and high efficiency across wide input voltage ranges. Consider thermal management requirements for the SSOP-28 package at maximum load currents. Evaluate external component selection for optimal transient response and stability margins.

DC DC Switching Controllers Part Context

This component belongs to the LTC3728L family of dual synchronous regulators. It shares architectural similarities with other members like the LTC3728EUH but differs in package type and specific operational parameters. The series is designed for versatile power management solutions in industrial and communication equipment.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other variants within the LTC3728L family such as LTC3728LIGN#PBF or LTC3728LCGN, provided pin compatibility and electrical ratings match the design requirements. Verify package dimensions and thermal characteristics before substitution.