LT8616IUDE

Description：IC REG BUCK ADJ 1.5A/2.5A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:0d4e37fd64f8 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 1.5A/2.5A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：2
Voltage - Input (Min)：3.4V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：0.79V
Voltage - Output (Max)：41.8V
Current - Output：1.5A, 2.5A
Frequency - Switching：200kHz ~ 3MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-QFN (3x6)
Grade：-
Qualification：-

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LT8616IUDE

Overview

The LT8616IUDE is a dual synchronous step-down regulator from Analog Devices, designed for high-efficiency power conversion. It integrates two independent buck converters capable of operating with input voltages up to 42V. The device features a low quiescent current of 6.5µA and supports switching frequencies up to 2MHz. It provides dual outputs with peak currents up to 3.5A per channel, utilizing Silent Switcher technology to minimize electromagnetic interference. The component is housed in an exposed pad QFN package suitable for compact designs.

Feature Summary

Dual independent synchronous buck converter architecture
Silent Switcher topology for reduced EMI emissions
Low quiescent current operation for standby efficiency
Wide input voltage range supporting industrial applications

Applications

Industrial automation power supplies
Telecommunications infrastructure equipment
Battery-powered instrumentation systems
Point-of-load regulation modules

Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with your design requirements. Confirm thermal performance specifications relative to your PCB layout and ambient conditions. Check for updated revision notes regarding pinout or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when dual isolated or non-isolated buck outputs are required from a single high-voltage rail. Evaluate thermal dissipation capabilities based on the expected load current and switching frequency. Ensure the chosen switching frequency aligns with passive component size constraints and EMI regulations.

Part Context

The LT8616 belongs to Analog Devices' Silent Switcher family, which emphasizes noise reduction in sensitive analog environments. It complements single-channel regulators by providing integrated dual-output solutions, reducing board space and component count compared to discrete implementations.