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MIC2086 Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC2086 Datasheet(HTML) 1 Page - Micrel Semiconductor |
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1 / 29 page  MIC2085/MIC2086 Single Channel Hot Swap Controllers InfiniBand is a trademark of InfiniBand Trade Association PowerPAK is a trademark of Vishay Intertechnology, Inc. 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 2006 M9999-050406 (408) 955-1690 General Description The MIC2085 and MIC2086 are single channel positive voltage hot swap controllers designed to allow the safe insertion of boards into live system backplanes. The MIC2085and MIC2086 are available in 16-pin and 20-pin QSOP packages, respectively. Using a few external components and by controlling the gate drive of an external N-Channel MOSFET device, the MIC2085/86 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 programmed period of time. The devices’ array of features provide a simplified yet robust solution for many network applications in meeting the power supply regulation requirements and affords protection of critical downstream devices and components. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. Features • MIC2085: Pin for pin functional equivalent to the LTC1642 • 2.3V to 16.5V supply voltage operation • Surge voltage protection to 33V • Operating temperature range –40°C to 85°C • Active current regulation limits inrush current independent of load capacitance • Programmable inrush current limiting • Analog foldback current limiting • Electronic circuit breaker • Dual-level overcurrent fault sensing • Fast response to short circuit conditions (< 1µs) • Programmable output undervoltage detection • Undervoltage lockout protection • Power-on reset (MIC2085/86) and power-good (MIC2086) status outputs • /FAULT status output • Driver for SCR crowbar on overvoltage Applications • RAID systems • Cellular base stations • LAN servers • WAN servers • InfiniBand™ Systems • Industrial high side switching Typical Application |
Similar Part No. - MIC2086 |
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Similar Description - MIC2086 |
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