LTC7851EUHH-1#PBF

DC DC Switching Controllers Overview

The LTC7851EUHH-1 is a quad output multiphase synchronous step-down switching regulator controller employing a constant frequency voltage mode architecture. It supports an input voltage range of 7 to 14 V and delivers up to 95 A at 1.2 V or 30 A at 1.8 V. The device operates with a switching frequency of 400 kHz in typical dual-output configurations using power blocks, utilizing a 58-pin PQFN package.

DC DC Switching Controllers Feature Summary

• Quad output multiphase synchronous step-down switching regulator controller
• Constant frequency voltage mode architecture
• Supports operation with DrMOS or discrete gate drivers and MOSFETs

DC DC Switching Controllers Applications

• Triple phase plus single phase dual-output step-down converters with power blocks
• Four-single phase output step-down converters with DrMOS
• Dual-output step-down DC/DC controllers with DrMOS

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and thermal characteristics. Ensure the ordering part number matches the exact package variant required for the design. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

DC DC Switching Controllers Selection Notes

Select this controller for high-current applications requiring multiple independent outputs. It is suitable for designs utilizing external DrMOS components or discrete MOSFETs. Consider the 7–14 V input range and 400 kHz switching frequency when designing passive components and thermal management solutions for the target application.

DC DC Switching Controllers Part Context

This component belongs to the LTC7851 family of quad output multiphase synchronous step-down switching regulator controllers. These devices are designed for high-performance DC/DC conversion, offering flexible configuration options for various output current and voltage requirements in industrial and computing applications.

DC DC Switching Controllers Replacement Considerations

The LTC7851IUHH-1#PBF is a documented alternative within the same product family, supporting similar quad output configurations and input voltage ranges.