General Description

The AOZ1051PI is a high efficiency, easy to use, 3 A synchronous buck regulator. The AOZ1051PI works from 4.5 V to 18 V input voltage range, and provides up to 3 A of continuous output current with an output voltage adjustable down to 0.8 V.

Features

● 4.5 V to 18 V operating input voltage range

● Synchronous Buck: 70 mΩ internal high-side switch

and 40 mΩ internal low-side switch (at 12 V)

● Up to 95 efficiency

● External soft start

● Output voltage adjustable to 0.8 V

● 3 A continuous output current

● 500 kHz PWM operation

● Cycle-by-cycle current limit

● Pre-bias start-up

● Short-circuit protection

● Thermal shutdown

● Exposed pad SO-8 package

Applications

● Point of load DC/DC converters

● LCD TV

● Set top boxes

● DVD and Blu-ray players/recorders

● Cable modems