General Description

The AOZ1050PI is a high efficiency, easy to use, 2 A synchronous buck regulator. The AOZ1050PI works from 4.5 V to 18 V input voltage range, and provides up to 2 A of continuous output current with an output voltage adjustable down to 0.8 V.

The AOZ1050PI comes in an exposed pad SO-8 package and is rated over a -40 °C to +85 °C operating ambient temperature range.

Features

• 4.5 V to 18 V operating input voltage range

• Synchronous Buck: 80 mΩ internal high-side switch and 50 mΩ internal low-side switch (at 12 V)

• Up to 95 efficiency

• External soft start

• Output voltage adjustable to 0.8 V

• 2 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