LTC3868IGN-1#TRPBF

DC DC Switching Controllers Overview

The LTC3868IGN-1#TRPBF is a dual-phase synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 24V and supports switching frequencies from 105kHz to 835kHz for the first phase, and 350kHz to 535kHz for the second phase. The device features a maximum duty cycle of 0.994 and includes integrated current limit, enable, frequency control, phase control, power good, and soft-start functions. It is housed in a 28-lead SSOP package.

DC DC Switching Controllers Feature Summary

• Dual-phase synchronous buck controller architecture
• Integrated current limit and power good monitoring
• Configurable switching frequency ranges
• Supports phase control and soft-start functionality

DC DC Switching Controllers Applications

• Point-of-load regulation for high-performance processors
• Industrial distributed power systems
• Telecommunications infrastructure power supplies
• High-density server and storage applications

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm package integrity and pin alignment upon receipt. Ensure storage conditions comply with moisture sensitivity level requirements. Cross-reference datasheet revisions to confirm electrical specifications match design intent before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller when dual-phase output capability and wide input voltage range are required. Evaluate thermal performance based on total load current distribution across phases. Verify that external MOSFET selection aligns with the specified switching frequency ranges. Ensure PCB layout accommodates the SSOP-28 footprint and necessary decoupling capacitance for stable operation.

DC DC Switching Controllers Part Context

This component belongs to the LTC3868 family of polyphase controllers designed for high-efficiency power conversion. It complements other single-phase and multi-phase regulators within the Analog Devices portfolio. The device addresses demands for compact power solutions in space-constrained electronic systems requiring precise voltage regulation.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3868EUH#TRPBF (QFN package) and LTC3868IGN#TRPBF (non-suffix variant). Verify pinout compatibility and thermal dissipation characteristics when transitioning between package types. Confirm that application circuit parameters remain valid for the specific suffix variation selected.