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MIC2583

Micrel Semiconductor
Part Number MIC2583
Manufacturer Micrel Semiconductor
Description Single Channel Hot Swap Controllers
Published Mar 26, 2005
Detailed Description MIC2582/MIC2583 Single-Channel Hot Swap Controllers General Description The MIC2582 and MIC2583 are single-channel posi...
Datasheet PDF File MIC2583 PDF File

MIC2583
MIC2583

Overview
MIC2582/MIC2583 Single-Channel Hot Swap Controllers General Description The MIC2582 and MIC2583 are single-channel positive voltage hot swap controllers designed to allow the safe insertion of boards into live system backplanes.
The MIC2582 and MIC2583 are available in 8-pin SOIC and 16-pin QSOP packages, respectively.
Using a few external components and by controlling the gate drive of an external N-Channel MOSFET device, the MIC2582/83 provide inrush current limiting and output voltage slew rate control in harsh, critical power supply environments.
Additionally, a circuit breaker function will latch the output MOSFET off if the current-limit threshold is exceeded for a determined period.
The MIC2583R option includes an auto-restart function upon detecting an over current condition.
Datasheets and support documentation are available on Micrel’s web site at: www.
micrel.
com.
Features  MIC2582: Pin-for-pin functional equivalent to the LTC1422  2.
3V to 13.
2V supply voltage operation  Surge voltage protection up to 20V  Current regulation limits inrush current regardless of load capacitance  Programmable inrush current limiting  Electronic circuit breaker  Optional dual-level overcurrent threshold detects excessive load faults  Fast response to short-circuit conditions (<1µs)  Programmable output under-voltage detection  Undervoltage Lockout (UVLO) protection  Auto-restart function (MIC2583R)  Power-on-Reset (POR) status output  Power good (PG) status output (MIC2583 and MIC2583R)  /FAULT status output (MIC2583 and MIC2583R) Applications  RAID systems  Base stations  PC board hot swap insertion and removal  +12V backplanes  Network switches Typical Application Micrel Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.
micrel.
com May 23, 2014 Revision 5.
0 Micrel, Inc.
Ordering Information Part Number MIC2582-xYM MIC2583-xYQS MIC2583R-xYQS Note: 1.
Contact factory for availability.
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