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MIC2582 Datasheet(PDF) 1 Page - Microchip Technology |
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MIC2582 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2021 Microchip Technology Inc. DS20006573A-page 1 MIC2582/3 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 (<1 µs) • Programmable Output Undervoltage 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 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-lead SOIC and 16-lead QSOP packages, respectively. Using a few external components and by controlling the gate drive of an external N-Channel MOSFET device, the MIC2582/3 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 overcurrent condition. Package Types 1 /POR ON CPOR GND 8 VCC SENSE GATE FB 7 6 5 2 3 4 1 /POR PWRGD ON CPOR CFILTER NC GND GND 16 VCC SENSE GATE DIS FB /FAULT NC NC 15 14 13 12 11 10 9 2 3 4 5 6 7 8 MIC2583/MIC2583R 16-Lead QSOP (QS) (Top View) MIC2582 8-Lead SOIC (M) (Top View) Single-Channel Hot Swap Controllers |
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