Microchip Technology MIC2536
Dual USB Power Distribution Switch
FEATURES
● Compliant to USB specifications● 2.7V to 5.5V operating range
● 150 mA 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
● 100 μA maximum on-state supply current
● <1 μA 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
GENERAL DESCRIPTION
The MIC2536 is a cost-effective high-side power switch, with two independently controlled channels, optimized for bus-powered Universal Serial Bus (USB) applications. Few external components are necessary to satisfy USB requirements.