Alpha and Omega Semi’s protected smart load switch suits USB Type-C apps

Alpha and Omega Semiconductor introduced a new Type-C Power Delivery compliant load switch with up to 28V over-voltage protection. AOZ1353 is a current-limited load switch with reverse current blocking capability intended for applications where internal circuitry requires protection from exposure to high voltages. This  device offers low RDS(ON) (40mohm) in a thermally enhanced 3x3mm DFN package, making it an ideal solution for the latest notebooks, ultrabooks, desktops, monitors, dockings/dongles, and Thunderbolt/USB Type-C PD applications.

The new AOZ1353 operates from voltages between 3.4V and 5.5V from VIN and VOUT is rated at 28V Absolute Maximum. The internal current limiting circuit protects the supply from large load currents. The back-to-back switch configuration blocks any leakage between VIN and VOUT pins when the device is disabled or when the device is enabled, but VOUT is greater than VIN. The AOZ1353 is fully programmable with comprehensive protection features including soft start, short-circuit protection, thermal protection, over-current and over-voltage protection.

For more information visit www.aosmd.com.

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