LM3543 Datasheet | National Semiconductor

LM3543 Triple Port USB Power Distribution Switch and Over-Current Protection March 2001 LM3543 Triple Port USB Power Distribution Switch and Over-Current Protection General Description The LM3543 is a triple high-side power switch that is an excellent choice for use in Root, Self-Powered and Bus-Powered USB (Universal Serial Bus) Hubs. Independent port enables, flag signals to alert USB controllers of error conditions, controlled start-up in hot-plug events, and short circuit protection all satisfy USB requirements. The LM3543 accepts input voltages between 2.7V and 5.5V. The Enable logic inputs, available in active-high and active-low versions, can be powered off any voltage in the 2.7V...