LT3686EDD#TRPBF

Overview

The LT3686EDD#TRPBF is a high-efficiency, monolithic step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6 V to 37 V and delivers up to 1.2 A of output current. The device integrates a 37 V N-channel power switch and supports adjustable switching frequencies from 300 kHz to 2.5 MHz. It features low quiescent current of 1.2 mA and operates within a temperature range of -40°C to +125°C. Packaged in a compact 3 mm x 3 mm DFN-10 footprint, it provides a regulated output voltage up to 30 V.

Feature Summary

• Integrates a high-voltage N-channel power switch for simplified design
• Supports wide input voltage range suitable for various supply sources
• Features adjustable switching frequency for optimization of external component size
• Includes thermal regulation and cycle-by-cycle current limit protection

Applications

• Industrial control systems
• Point-of-load regulation
• Battery-powered equipment
• Telecommunications infrastructure

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the manufacturer part number matches exactly to ensure compatibility with existing designs. Check for RoHS compliance documentation as required by project specifications. Validate that the DFN-10 package dimensions align with the PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component when a compact solution is required for high-input voltage applications. Consider the adjustable frequency range to balance efficiency against passive component size. Ensure the load current does not exceed the 1.2 A limit under all operating conditions. Verify thermal performance requirements given the small package size and potential heat dissipation needs.

Part Context

This part belongs to the LT3686 series of buck converters from Analog Devices. It is designed for applications requiring high efficiency and small solution size. The series is known for integrating power switches to reduce external component count. It serves as a power management IC for converting higher voltages to lower regulated levels.

Replacement Considerations

LT3686IDD#PBF is a tube-packaged version of the same functional device.