LTC1628IG#TRPBF

DC DC Switching Controllers Overview

The LTC1628IG#TRPBF is a high-efficiency, two-phase synchronous buck switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 36 V and supports output currents up to 20 A per phase. The device features a programmable switching frequency between 150 kHz and 300 kHz and includes integrated bootstrap drivers for external N-channel MOSFETs. It offers precise current mode control with cycle-by-cycle current limiting and thermal foldback protection. The component is housed in a 28-lead SSOP package and is designed for applications requiring efficient dual-rail power distribution.

DC DC Switching Controllers Feature Summary

• Dual-phase synchronous step-down architecture for enhanced current handling and reduced input ripple
• Integrated bootstrap drivers supporting external N-channel MOSFETs for flexible power stage design
• Precision current-mode control with cycle-by-cycle current limiting and thermal foldback protection

DC DC Switching Controllers Applications

• Point-of-load regulation for digital signal processors and field-programmable gate arrays
• Telecommunications equipment requiring dual-voltage rail generation
• Industrial control systems needing robust power management under varying load conditions

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm the IG variant corresponds to the commercial temperature range (-40°C to +85°C) as defined in the official datasheet. Ensure compatibility with external MOSFET selection based on the controller's drive capabilities and switching frequency settings.

DC DC Switching Controllers Selection Notes

Select this controller when designing a compact, high-current dual-rail power supply. It is suitable for designs requiring independent adjustment of two output voltages from a single input source. Consider the 28-lead SSOP package constraints for PCB layout and thermal management requirements relative to the expected load current.

DC DC Switching Controllers Part Context

This component belongs to the LTC1628 family of synchronous buck controllers. It is part of Analog Devices' portfolio of power management integrated circuits designed for efficiency and reliability in demanding electronic applications. The series is known for integrating advanced protection features and flexible configuration options for multi-phase power delivery systems.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications against potential alternatives before implementation.