MIC2026-1YM-TR Microchip Power Switch ICs - Power Distribution Dual USB High-Side Power Switch

MIC2026-1YM-TR Microchip Power Switch ICs - Power Distribution Dual USB High-Side Power Switch

1.Features
• 140 mΩ Maximum On-Resistance per Channel
• 2.7V to 5.5V Operating Range
• 500 mA Minimum Continuous Current per Channel
• Short-Circuit Protection with Thermal Shutdown
• Thermally Isolated Channels
• Fault Status Flag with 3 ms 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

2.Applications
• USB Peripherals
• General Purpose Power Switching
• ACPI Power Distribution
• Notebook PCs
•PDAs
• PC Card Hot Swap

3.General Description
The MIC2026 and MIC2076 are high-side MOSFETswitches optimized for general-purpose powerdistribution that requires circuit protection.
The MIC2026/76 are internally current limited and havethermal shutdown that protects the device and load.
The MIC2076 offers “smart” thermal shutdown thatreduces current consumption in fault modes. When athermal shutdown fault occurs, the output is latched offuntil the faulty load is removed. Removing the load ortoggling the enable input will reset the device output.
Both devices employ soft-start circuitry that minimizesinrush current in applications where highly capacitiveloads are employed.
A fault status output flag is asserted during overcurrentand thermal shutdown conditions. Transient faults areinternally filtered.
The MIC2026/76 are available in an 8-pin SOICpackage

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