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MIC2580A

Micrel Semiconductor
Part Number MIC2580A
Manufacturer Micrel Semiconductor
Description Hot-Swap PCI Power Controller
Published Mar 26, 2005
Detailed Description MIC2580A Micrel, Inc. MIC2580A Hot-Swap PCI Power Controller General Description The MIC2580A is a hot-swap controller...
Datasheet PDF File MIC2580A PDF File

MIC2580A
MIC2580A

Overview
MIC2580A Micrel, Inc.
MIC2580A Hot-Swap PCI Power Controller General Description The MIC2580A is a hot-swap controller that provides for safe and orderly insertion and removal of PCI based adapter cards from a PCI hot-plug compliant system backplane or CompactPCI™ system.
The MIC2580A incorporates a circuit breaker function that protects all four supplies (+12V, +5V, +3.
3V, and –12V) upon an overcurrent fault condition.
Current foldback limiting prevents large transient currents caused by plugging adapter cards into live backplanes, such as in a CompactPCI system.
A programmable slew-rate control limits high inrush currents to all loads that occur when power is applied to large capacitive loads.
Voltage supervisory functions for all four power supplies are provided by “power good” (/PWRGD) and “overcurrent fault” (/FAULT) diagnostic outputs.
Power good and overcurrent fault include deglitch filters to prevent nuisance tripping.
Power good is active when all four supplies ...


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