Datasheet Summary
LM3526 Dual Port USB Power Switch and Over-Current Protection
February 2000
LM3526 Dual Port USB Power Switch and Over-Current Protection
General Description
The LM3526 provides Universal Serial Bus standard power switch and over-current protection for all host port applications. The dual port device is ideal for Notebook and desktop PC’s that supply power to more than one port. A 1 ms delay on the fault flag output prevents erroneous overcurrent reporting caused by in-rush currents during hot-plug events. The dual stage thermal protection circuit in the LM3526 provides individual protection to each switch and the entire device. In a short-circuit/over-current event, the switch...