LT8614IUDC#TRPBF

$11.63

Description：IC REG BUCK ADJ 4A 20QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:5d869618233b Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 4A 20QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.4V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：30V
Current - Output：4A
Frequency - Switching：200kHz ~ 3MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-WFQFN, 18 Leads, Exposed Pad
Supplier Device Package：20-QFN (3x4)
Grade：-
Qualification：-

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LT8614IUDC#TRPBF

Overview

The LT8614IUDC#TRPBF is a synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 3.4V to 42V and delivers up to 4A of output current. The device features an adjustable output voltage and supports switching frequencies between 200kHz and 3MHz. It utilizes a QFN-18 package for surface mount installation. Key electrical specifications include a quiescent current of 1.7µA and an operating temperature range from -40°C to +125°C.

Feature Summary

Integrates Silent Switcher technology to minimize electromagnetic interference radiation during operation
Provides high efficiency performance across a wide input voltage range using synchronous rectification
Features low quiescent current consumption to enhance system power management in standby modes

Applications

Industrial control systems requiring isolated or non-isolated power regulation
Distributed power architectures in telecommunications infrastructure
Embedded computing platforms needing stable voltage conversion from higher bus voltages

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the I-grade designation meets the required industrial temperature specifications for your application environment. Ensure compatibility with the QFN-18 footprint during PCB layout planning. Cross-reference the manufacturer datasheet for any recent product change notifications affecting this part number.

Selection Notes

Select this component when designing circuits that require handling input voltages up to 42V while maintaining low noise emissions. The adjustable frequency feature allows optimization for either size constraints or efficiency targets. Consider the thermal performance of the QFN-18 package relative to the expected load current and ambient conditions.

Part Context

This part belongs to the LT8614 series of micropower synchronous buck converters. It is designed to replace older linear regulators or standard switching solutions where size and efficiency are critical. The series is characterized by its integrated power switches and compact form factor suitable for dense board layouts.