LTC3899IUHF#TRPBF

$6.92

Description：IC REG CTRLR BUCK/BUCK-BST 38QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:befec95ea943 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3899IUHF#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/BUCK-BST 38QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3899IUHF#TRPBF

Description：IC REG CTRLR BUCK/BUCK-BST 38QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
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 LTC3899IUHF#TRPBF

LTC3899IUHF#TRPBF

DC DC Switching Controllers Overview

The LTC3899IUHF#TRPBF is a synchronous step-down DC/DC controller from Analog Devices, designed for high-performance power management. It features a wide input voltage range of 4.5V to 60V and supports three independent outputs with adjustable frequencies between 105kHz and 835kHz. The device operates within an extended temperature range of -40°C to +125°C and utilizes a QFN-38 package. Key electrical specifications include a low quiescent current of 39µA and output voltages ranging from 800mV to 60V.

DC DC Switching Controllers Feature Summary

Supports three independent synchronous buck or buck-boost converter channels
Features OPTI-LOOP® compensation for optimized transient response across varying capacitance loads
Includes independent TRACK/SS pins for precise output voltage sequencing during startup

DC DC Switching Controllers Applications

Automotive always-on systems requiring multi-rail power distribution
Distributed DC power architectures in industrial equipment
Battery-operated digital devices needing efficient power regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature grade. Confirm RoHS compliance status through manufacturer datasheets. Ensure compatibility with external MOSFET selection based on thermal requirements. Validate supply chain authenticity via authorized distributors only.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring three isolated or non-isolated regulated rails from a single high-voltage source. Consider the wide input voltage capability for automotive or industrial bus applications. Evaluate thermal performance given the QFN-38 package constraints. Verify that the required output voltage ranges align with the 800mV to 60V specification limits.

DC DC Switching Controllers Part Context

This part belongs to the LTC3899 family of PolyPhase controllers, which are engineered for high-efficiency power conversion. The series is characterized by its ability to drive multiple N-channel synchronous power MOSFET stages simultaneously. It integrates precision references and protection features suitable for demanding environments.