General Description The AOZ1033A is a high efficiency, easy to use, 3A synchronous buck regulator. The AOZ1033A works from 4.5V to 18V input voltage range, and provides up to 3A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1033A comes in a SO-8 package and is rated over a -40°C to 85°C operating ambient temperature range Features z 4.5V to 18V operating input voltage range z Synchronous Buck: 80mΩ internal high-side switch and 30mΩ internal low-side switch with integrated schottky diode z High efficiency: up to 95% z Internal soft start z Output voltage adjustable to 0.8V z 3A continuous output current z Fixed 600kHz PWM operation z Pulse skipping at light load for high efficiency over entire load range z Cycle-by-cycle current limit z Pre-bias start-up z Short-circuit protection z Thermal shutdown z SO-8 package Applications z Point of load DC/DC converters z LCD TV z Set top boxes z DVD/Blu-ray players/recorders z Cable modems z PCIe graphics cards z Telecom/Networking/Datacom equipment
