MIC2026-2BM Datasheet

Power Switch ICs - USB


The MIC2026-2BM are high-side MOSFET switches optimized for general-purpose power distribution requiring circuit protection. The MIC2026-2BM are internally current limited and have thermal shutdown that protects the device and load.The MIC2026-2BM offers "smart" thermal shutdown that reduces current consumption in fault modes. When a thermal shutdown fault occurs, the output is latched off until the faulty load is removed. Removing the load or toggling the enable input will reset the device output. Both devices employ soft-start circuitry that minimizes inrush current in applications where highly capacitive loads are employed.A fault status output flag is asserted during overcurrent and thermal shutdown conditions. Transient faults are internally filtered. The MIC2026-2BM are available in 8-pin DIP or 8-pin SOIC.All support documentation can be found on Micrels web site at www.micrel.com. MIC2026-2BM Features • 140ms2 maximum on-resistance per channel• 2.7V to 5.5V operating range• 500mA minimum continuous current per channel• Shortcircuit protection with thermal shutdown• Thermally isolated channels• Fault status flag with 3ms filter eliminates false assertions• Undervoltage lockout• Reverse current flow blocking (no "body diode")• Circuit breaker mode (MIC2076)• Logic-compatible inputs• Soft-start circuit• Low quiescent current• Pin compatible with MIC2526• UL File # E179633 MIC2026-2BM Applications • USB peripherals• General purpose power switching• ACPI power distribution• Notebook PCs• PDAs• PC card hot swap


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