The AOZ1031A is a high efficiency, easy to use, 3A synchronous buck regulator. The AOZ1031A works from 4.5V to 18V input voltage range, and provides up to 3A of continuous output current with an output voltage adjust-able down to 0.8V. The AOZ1031A comes in a SO-8 package and is rated over a -40°C to +85°C operating ambient temperature range.

z4.5V to 18V operating input voltage range

zSynchronous Buck: 80mΩinternal high-side switch 

ａnd 30mΩinternal low-side switch with integrated 

schottky diode

zHigh efficiency: up to 95%

zInternal soft start

zOutput voltage adjustable to 0.8V

z3A continuous output current

zFixed 600kHz PWM operation

zPulse skipping at light load for high efficiency over 

entire load range

zCycle-by-cycle current limit

zPre-bias start-up

zShort-circuit protection

zThermal shutdown

zSO-8 package

Applications

zPoint of load DC/DC converters

zLCD TV

zSet top boxes

zDVD/Blu-ray players/recorders

zCable modems 

zPCIe graphics cards

zTelecom/Networking/Datacom equipment