LT8613IUDE

Description：IC REG BUCK ADJ 6A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:8fb8c0c3f02a 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 6A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive or Negative
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.4V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：0.97V
Voltage - Output (Max)：41.58V
Current - Output：6A
Frequency - Switching：200kHz ~ 2.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-QFN (3x6)
Grade：-
Qualification：-

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LT8613IUDE

Overview

The LT8613IUDE is a synchronous step-down Silent Switcher 2 regulator from Analog Devices. It features an input voltage range of 3.4V to 65V and delivers up to 8A output current. The device integrates internal bypass capacitors to minimize EMI emissions, eliminating layout sensitivity. It offers high efficiency, reaching up to 95% at 1MHz switching frequency with a 12V input and 5V output. Quiescent current in Burst Mode operation is typically 2.5μA when regulating 12V to 3.3V. The package is a 40-lead thermally enhanced QFN.

Feature Summary

Silent Switcher 2 architecture minimizes radiated EMI through integrated internal bypass capacitors
Eliminates PCB layout sensitivity for consistent EMI performance
Burst Mode operation enables ultralow standby current consumption
Fast minimum switch on-time supports high step-down ratios

Applications

Industrial power supplies
Telecommunications infrastructure
Point-of-load regulation

Procurement Notes

Verify the specific suffix IUDE corresponds to the industrial temperature grade and QFN-40 package configuration. Confirm that the component matches the Silent Switcher 2 generation specifications regarding internal capacitor integration. Ensure compatibility with required thermal management solutions for the exposed pad design.

Selection Notes

Select this component for applications requiring wide input voltage ranges up to 65V and high current delivery. The integrated EMI suppression is suitable for space-constrained designs where layout optimization is difficult. Consider external compensation requirements if fast transient response or current sharing is necessary for the system load.

Part Context

This part belongs to the LT8613 family of synchronous buck regulators. It utilizes second-generation Silent Switcher technology to address electromagnetic interference challenges inherent in high-frequency switching converters. The series is designed for robust performance in demanding environments.