General Description

The MIC2536 is a cost-effective high-side power switch, with two independently controlled channels, optimized for buspowered Universal Serial Bus (USB) applications. Few external components are necessary to satisfy USB requirements.

Features

• Compliant to USB specifications

• 2.7V to 5.5V operating range

• 150mA minimum continuous load current per channel

• 400mΩ typical on-resistance

• Fast-acting short circuit protection with

thermal shutdown

• Integrated filter eliminates

false overcurrent flag assertions

• Individual open-drain fault flag pins with transient filter

• 3V/5V-compatible enable inputs

• Active-high (-1) and active-low (-2) versions

• Reverse-current blocking in off mode (no “body diode”)

• Soft-start circuit

• 100µA maximum on-state supply current

• <1µA typical off-state supply current

• –40°C to 85°C operation

Applications

• USB keyboard bus-powered hubs

• USB bus-powered docking stations

• Note Book PCs

• PDAs

• General purpose power distribution applications

• PC board hot swap

• Inrush current-limiting