LTC7851EUHH-1

Description：IC POWER MANAGEMENT
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:885483d209d9 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC7851EUHH-1 is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC POWER MANAGEMENT. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC7851EUHH-1

Description：IC POWER MANAGEMENT
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：PWM Signal
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：4
Output Phases：1
Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
Frequency - Switching：250kHz ~ 3MHz
Duty Cycle (Max)：91.50%
Synchronous Rectifier：No
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：58-WFQFN Exposed Pad
Supplier Device Package：58-QFN (5x9)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC7851EUHH-1

LTC7851EUHH-1

DC DC Switching Controllers Overview

The LTC7851EUHH-1 is a quad-output multiphase synchronous step-down switching regulator controller from Analog Devices. It employs a constant frequency voltage mode architecture for precise regulation. The device supports an input voltage range of 7V to 14V and delivers up to 95A at 1.2V or 30A at 1.8V, depending on the configuration. Operating frequencies range from 250kHz to 3MHz with a maximum duty cycle of 91.5%. Packaged in a 58-pin PQFN (5x9mm) exposed pad, it functions within a temperature range of -40°C to 125°C.

DC DC Switching Controllers Feature Summary

Quad-output capability supporting flexible multi-phase configurations
Constant frequency voltage mode architecture for stable performance
Integrated control features including current limit, soft start, and tracking

DC DC Switching Controllers Applications

High-density server power distribution
Telecommunications infrastructure power supplies
Industrial equipment central power buses

DC DC Switching Controllers Procurement Notes

Verify component status as the part may be obsolete. Confirm availability through authorized distributors. Check lead times carefully due to potential supply constraints. Ensure ordering suffixes match required specifications. Validate datasheet revisions before design finalization.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring multiple independent regulated outputs from a single input source. Consider the wide operating frequency range for optimizing external component size. Evaluate thermal management requirements given the high current capabilities and compact package. Ensure compatibility with external MOSFETs or DrMOS modules for optimal efficiency.

DC DC Switching Controllers Part Context

This component belongs to the LTC7851 family of multiphase controllers designed for high-performance DC/DC conversion. It shares architectural similarities with other models in the series but offers specific pinout and feature sets tailored for quad-output applications. The EUHH-1 variant denotes specific electrical and packaging characteristics defined by Analog Devices.