
Micrel
General Description
The MIC2026A and MIC2076A are high-side MOSFET switches optimized for general-purpose power distribution requiring circuit protection. The MIC2026A is particularly well suited for USB applications.
FEATUREs
•100mΩtypical RDS(ON)at 5.0V
•140mΩmaximum RDS(ON)at 5.0V
• 2.7 V to 5.5 V operating range
• 500mA minimum continuous current per channel
• Short circuit protection with thermal shutdown
• Thermally isolated channels
• Soft-start circuit
• Fault status flag with 3ms filter eliminates false assertions
• UVLO (Undervoltage lockout)
• Reverse current flow blocking (no “body diode”)
• Circuit breaker mode (MIC2076A)
• Pin compatible with the MIC2026/2076
• Logic-compatible inputs
• Low quiescent current
APPLICATIONs
• USB peripherals
• General purpose power switching
• ACPI power distribution
• Notebook PCs
• PDAs
• PC card hot swap