LT3782EUFD#TRPBF

$6.55

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

SKU:54739f5da98a Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BOOST 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：6V ~ 40V
Frequency - Switching：154kHz ~ 465kHz
Duty Cycle (Max)：94%
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Reset, Soft Start
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：-

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LT3782EUFD#TRPBF

Overview

The LT3782EUFD#TRPBF is a dual-phase step-up DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 6 V to 40 V and supports adjustable output voltages. The device delivers up to 4 A of output current per phase, utilizing a switching frequency between 150 kHz and 500 kHz. Key electrical specifications include a quiescent current of 40 uA and a shutdown supply current of 11 mA. It is housed in a 28-lead QFN (4x5 mm) package and functions within a temperature range of -40°C to +125°C.

Feature Summary

Dual-phase synchronous boost architecture for high-current applications
Integrated current mode control with programmable switching frequency
Low quiescent current operation for improved efficiency
Adjustable output voltage via external resistor divider

Applications

Industrial power supplies
Telecommunications equipment
Battery-powered systems requiring step-up conversion

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required packaging and RoHS compliance status. Cross-reference the datasheet revision to ensure compatibility with existing design parameters. Validate thermal performance requirements against the QFN package limitations before finalizing procurement decisions.

Selection Notes

Select this controller when dual-phase boost topology is required for high-efficiency power conversion. Ensure the input voltage range aligns with the system's source capabilities. Consider the external component count for inductors and capacitors based on the desired switching frequency. Verify that the thermal dissipation characteristics of the QFN package meet the application's heat management constraints.

Part Context

This component belongs to the LT3782 family of dual-phase step-up controllers. It shares architectural similarities with other Linear Technology power management ICs designed for robust industrial and telecom applications. The EUFD suffix indicates the specific QFN package variant optimized for surface-mount assembly.