LTC3899EUHF#PBF

$12.15

Description：IC REG CTRLR BUCK/BUCK-BST 38QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:0704d7f5551b Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3899EUHF#PBF 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/BUCK-BST 38QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3899EUHF#PBF

Description：IC REG CTRLR BUCK/BUCK-BST 38QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck, Buck-Boost
Number of Outputs：3
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4.5V ~ 60V
Frequency - Switching：105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max)：100%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Frequency Control, 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)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3899EUHF#PBF

LTC3899EUHF#PBF

DC DC Switching Controllers Overview

The LTC3899EUHF#PBF is a high-performance synchronous step-down switching regulator controller from Analog Devices. It features three independent output channels capable of driving N-channel power MOSFETs. The device supports an input voltage range from 4.5V to 60V and delivers up to 15A per channel. It operates with a low quiescent current of 39uA and allows for adjustable switching frequencies between 105kHz and 835kHz. The controller utilizes a constant frequency current mode architecture with phase-lockable synchronization.

DC DC Switching Controllers Feature Summary

Integrates three independent synchronous buck controller channels within a single package
Supports wide input voltage ranges suitable for automotive and industrial bus architectures
Features OPTI-LOOP compensation for optimized transient response across varying output capacitance
Includes independent soft-start and tracking pins for precise multi-rail sequencing control

DC DC Switching Controllers Applications

Automotive always-on systems requiring multiple regulated rails
Distributed DC power systems in industrial equipment
Battery-operated digital devices needing extended run time
Telecommunications infrastructure power distribution

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and thermal pad configuration. Ensure that the requested component matches the exact part number, as minor variations in suffixes may indicate different temperature grades or packaging options. Cross-reference the manufacturer's latest datasheet to confirm availability status and lead times prior to finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring three synchronized buck converters from a single controller IC. It is suitable for applications demanding low standby power consumption and high efficiency under variable load conditions. Consider the maximum input voltage limits and thermal dissipation requirements associated with the QFN package when evaluating suitability for high-current designs.

DC DC Switching Controllers Part Context

This component belongs to the LTC3899 family of synchronous buck controllers designed by Analog Devices. It is engineered for high-density power management solutions where space constraints and efficiency are critical. The device integrates advanced control algorithms to minimize external component count while maintaining robust performance across wide operating temperature ranges.