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 adjust able 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

4.5V to 18V operating input voltage range

Synchronous Buck: 80mΩ internal high-side switch and 30mΩ internal low-side switch with integrated schottky diode

High efficiency: up to 95%

Internal soft start

Output voltage adjustable to 0.8V

3A continuous output current

Fixed 600kHz PWM operation

Pulse skipping at light load for high efficiency over entire load range

Cycle-by-cycle current limit

Pre-bias start-up

Short-circuit protection

Thermal shutdown

SO-8 package

 

Applications

Point of load DC/DC converters

LCD TV

Set top boxes

DVD/Blu-ray players/recorders

Cable modems

PCIe graphics cards

Telecom/Networking/Datacom equipment