General Description

The AOZ1021 is a synchronous high efficiency, simple to use, 3A buck regulator. The AOZ1021 works from a 4.5V to 16V input voltage range, and provides up to 3A of continuous output current with an output voltage adjustable down to 0.8V.

The AOZ1021 comes in an SO-8 packages and is rated over a -40°C to +85°C ambient temperature range.

Features

● 4.5V to 16V operating input voltage range

● Synchronous rectification: 100mΩ internal high-side switch and 20mΩ Internal low-side switch

● High efficiency: up to 95

● Internal soft start

● 1.5 initial output accuracy

● Output voltage adjustable to 0.8V

● 3A continuous output current

● Fixed 500kHz PWM operation

● Cycle-by-cycle current limit

● Pre-bias start-up

● Short-circuit protection

● Thermal shutdown

● Small size SO-8 package

Applications

● Point of load DC/DC conversion

● PCIe graphics cards

● Set top boxes

● DVD drives and HDD

● LCD panels

● Cable modems

● Telecom/networking/datacom equipment