LTC1709EG-85#TRPBF

DC DC Switching Controllers Overview

The LTC1709EG-85#TRPBF is a dual-phase current-mode synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 36V and supports a switching frequency between 140kHz and 310kHz. The device features a 36-SSOP package and includes integrated soft-start, enable, and power-good control characteristics. Designed for high-efficiency applications, it complies with VRM 8.5 standards via VID control, allowing output voltage programming from 1.05V to 1.825V in 25mV intervals using five VID input bits.

DC DC Switching Controllers Feature Summary

• Dual-phase current-mode control architecture for high-efficiency power conversion
• VID-compliant programmable output voltage management minimizing passive component requirements
• Integrated protection and control features including soft-start and power-good signaling

DC DC Switching Controllers Applications

• Voltage Regulator Module (VRM) designs compliant with VRM 8.5 specifications
• High-current processor core voltage regulation
• Point-of-load DC-DC conversion systems requiring low input/output capacitance

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm RoHS compliance status and ensure the supplier provides valid manufacturer traceability documentation. Cross-reference the part number against official Analog Devices databases to validate authenticity and avoid counterfeit risks during procurement processes.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring precise VID-based voltage regulation and reduced external capacitor counts. Ensure the design accommodates the specified 36-SSOP footprint and thermal requirements. Verify that the target operating temperature range aligns with the -40°C to 85°C specification for reliable performance in industrial or server environments.

DC DC Switching Controllers Part Context

This component belongs to the LTC1709 family of synchronous buck controllers designed for demanding power delivery applications. The EG-85 variant specifically targets VRM 8.5 compatibility, offering enhanced efficiency and dynamic response capabilities compared to standard regulators. It serves as a critical interface between power sources and high-load digital processors.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic replacements may lack VID pinout compatibility or specific control loop characteristics required for VRM 8.5 compliance.