LTC3859ALIUHF#WPBF

$10.68

Description：3X OUT, BUCK/BUCK/BOOST SYNC CNT
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:ff02466c0bb5 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3859ALIUHF#WPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is 3X OUT, BUCK/BUCK/BOOST SYNC CNT. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3859ALIUHF#WPBF

Description：3X OUT, BUCK/BUCK/BOOST SYNC CNT
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Down, Step-Up/Step-Down
Output Configuration：Positive
Topology：Buck, Buck-Boost, SEPIC
Number of Outputs：3
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4.5V ~ 36V
Frequency - Switching：50kHz ~ 900kHz
Duty Cycle (Max)：100%
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：38-WFQFN Exposed Pad
Supplier Device Package：38-QFN (5x7)

DC DC Switching Controllers datasheet and documents for LTC3859ALIUHF#WPBF

LTC3859ALIUHF#WPBF

DC DC Switching Controllers Overview

The LTC3859ALIUHF#WPBF is a triple-output synchronous DC/DC switching regulator controller from Analog Devices. It supports Buck, Buck-Boost, and SEPIC topologies with an input voltage range of 4.5V to 38V. The device features a phase-lockable switching frequency up to 850kHz and operates in Burst Mode with 28µA IQ. Output voltages range from 60V or 800mV to 24V, supporting output currents of 3A and 5A across three channels. It is qualified under AEC-Q100 standards for automotive applications.

DC DC Switching Controllers Feature Summary

Supports multiple topologies including Buck, Buck-Boost, and SEPIC configurations
Features low quiescent current operation in Burst Mode
Includes phase-lockable switching frequency capability
Complies with AEC-Q100 automotive qualification standards

DC DC Switching Controllers Applications

Automotive power management systems requiring wide input ranges
Industrial equipment utilizing multi-rail power architectures
Telecommunications infrastructure power supplies
Embedded systems needing synchronized multi-phase control

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized distributors. Confirm package integrity and RoHS compliance status. Check for recent product change notifications affecting specifications. Ensure storage conditions meet moisture sensitivity level requirements. Validate ordering suffixes match specific thermal and electrical variants.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring independent regulation of three distinct output rails. Consider the wide input voltage range suitable for varying supply conditions. Evaluate the need for synchronous rectification to maximize efficiency. Assess thermal performance within the specified operating temperature range.

DC DC Switching Controllers Part Context

This component belongs to the LTC3859AL series, designed for high-performance power management. It integrates control logic for driving external N-channel MOSFETs. The family emphasizes efficiency and flexibility in complex power distribution networks.