LTC3728LCGN#TRPBF

DC DC Switching Controllers Overview

The LTC3728LCGN#TRPBF is a dual high-performance step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 7V to 28V and supports output voltages of 5V and 12V. The device drives all N-channel synchronous power MOSFET stages, providing a combined maximum output current of up to 6A across its two channels. It utilizes a fixed switching frequency of 550kHz and features a maximum duty cycle of 99.4%. The component is housed in a 28-lead SSOP package and is rated for operation within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Dual channel architecture designed to drive all N-channel synchronous power MOSFET stages for efficient power conversion.
• Integrated low noise design optimized for sensitive analog and digital load requirements.
• High efficiency topology utilizing synchronous rectification to minimize power loss during DC-DC conversion.

DC DC Switching Controllers Applications

• Point-of-load regulation for embedded systems requiring multiple voltage rails
• Telecommunications equipment power distribution networks
• Industrial control system power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix LCGN against official Analog Devices documentation to confirm the package type and temperature grade. Ensure the ordering part number matches the required tape and reel packaging format. Cross-reference the datasheet revision history to validate electrical characteristics before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this controller when a dual-output synchronous buck solution is required within a 7V to 28V input window. It is suitable for designs needing independent regulation of 5V and 12V outputs with a total capacity of 6A. Consider the 28-lead SSOP package constraints and thermal management requirements for the intended application environment.

DC DC Switching Controllers Part Context

This component belongs to the LTC3728L family of dual synchronous step-down controllers. It shares core architectural similarities with other members like the LTC3728EUH but differs in package configuration and specific operating temperature ranges. The family is characterized by high performance and low noise capabilities for demanding power management applications.

DC DC Switching Controllers Replacement Considerations

The LTC3728LCUH#TRPBF serves as a verified alternative within the same product family, offering similar dual-channel functionality. Designers should verify pin compatibility and thermal performance differences between the SSOP and QFN packages before substitution.