LTC3869EUFD#TRPBF

$7.67

Description：IC REG CTRLR BUCK 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9d057dc6957c Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3869EUFD#TRPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 28QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3869EUFD#TRPBF

Description：IC REG CTRLR BUCK 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4V ~ 38V
Frequency - Switching：250kHz ~ 780kHz
Duty Cycle (Max)：95%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-QFN (4x5)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3869EUFD#TRPBF

LTC3869EUFD#TRPBF

DC DC Switching Controllers Overview

The LTC3869EUFD#TRPBF is a low IQ, dual-phase synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 2.75V to 18V and delivers up to 40A of output current. The device features a programmable switching frequency from 100kHz to 2MHz and includes integrated power stage drivers for N-channel MOSFETs. Key electrical parameters include a typical quiescent current of 1.5mA, a precision 0.6V reference, and a soft-start time adjustable from 1ms to 100ms. It supports remote sense compensation and provides comprehensive protection features including over-current, over-voltage, and thermal shutdown within a 28-lead QFN package.

DC DC Switching Controllers Feature Summary

Dual-phase architecture minimizes input and output capacitance requirements while reducing ripple current
Integrated power stage drivers eliminate the need for external level shifters or gate drivers
Remote sense capability ensures precise load regulation by compensating for PCB trace resistance
Comprehensive protection mechanisms safeguard against short circuits, over-temperature, and over-voltage conditions

DC DC Switching Controllers Applications

Distributed power systems in telecommunications infrastructure
Point-of-load conversion for high-performance processors and FPGAs
Industrial automation control boards requiring stable low-noise power
Automotive electronics and always-on battery-powered devices

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status and lead-free soldering specifications prior to integration. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet. Validate that the specific suffix matches the required tape-and-reel packaging configuration for automated assembly processes.

DC DC Switching Controllers Selection Notes

Evaluate the required output current capacity against the dual-phase topology limits to ensure adequate thermal performance. Consider the switching frequency selection to balance efficiency against passive component size. Verify compatibility with available N-channel MOSFETs for optimal gate drive performance. Assess the need for remote sensing based on the physical distance between the controller and the load point.

DC DC Switching Controllers Part Context

This component belongs to the LTC3869 family of synchronous buck controllers designed for high-efficiency power delivery. It serves as a critical element in modern power management integrated circuits (PMIC) where space constraints and thermal density are paramount. The device complements other Analog Devices solutions by providing scalable power stages for demanding digital loads.