LT8551IUKG#TRPBF

$3.76

Description：IC REG BOOST ADJ 52QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:68b0e4de884c Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BOOST ADJ 52QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：80V
Voltage - Output (Min/Fixed)：-
Voltage - Output (Max)：80V
Current - Output：-
Frequency - Switching：100kHz ~ 1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：52-WFQFN Exposed Pad
Supplier Device Package：52-QFN (7x8)
Grade：-
Qualification：-

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LT8551IUKG#TRPBF

Overview

The LT8551IUKG#TRPBF is a synchronous boost switching regulator IC manufactured by Analog Devices Inc. It features an adjustable output voltage with a maximum of 80V and accepts an input voltage range from 3.6V to 80V. The device operates at a switching frequency between 100kHz and 1MHz. It is housed in a 52-WFQFN package with exposed pad, rated for operation from -40°C to +125°C.

Feature Summary

Synchronous rectification architecture for improved efficiency
Wide input voltage range supporting high-voltage step-up applications
Adjustable output voltage capability up to 80V
Flexible switching frequency selection

Applications

High-voltage sensor biasing
Industrial control systems requiring isolated or boosted rails
Battery-powered equipment needing extended runtime via efficient voltage conversion

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the I-grade temperature rating aligns with industrial environment requirements. Ensure the 52-WFQFN footprint matches the PCB layout design. Check RoHS compliance status for regulatory adherence.

Selection Notes

Select this component for designs requiring high input voltages up to 80V in a boost topology. The adjustable output allows customization for various load requirements. Consider the thermal performance of the 52-pin QFN package for heat dissipation needs. Verify that the required switching frequency falls within the 100kHz to 1MHz operational range.

Part Context

This part belongs to the LT8551 family of high-voltage synchronous boost converters. It is designed for applications demanding high input voltage tolerance and efficient power conversion. The device integrates synchronous rectifiers to minimize conduction losses compared to traditional diode-based solutions.