General Description

The AOZ1280 is a high efficiency, simple to use, 1.2 A

buck regulator which is flexible enough to be optimized

for a variety of applications. The AOZ1280 operates from

a 3 V to 26 V input voltage range, and provides up to

1.2 A of continuous output current. The output voltage is

adjustable down to 0.8 V. The fixed 1.5 MHz PWM

switching frequency reduces inductor size.

The AOZ1280 comes in a SOT23-6L package and is

rated over a -40 °C to +85 °C operating ambient

temperature range.

Features

 3 V to 26 V operating input voltage range

 240 mΩ internal NMOS

 High efficiency: up to 95

 Internal compensation

 1.2 A continuous output current

 Fixed 1.5 MHz PWM operation

 Internal soft start

 Output voltage adjustable down to 0.8 V

 Cycle-by-cycle current limit

 Short-circuit protection

 Thermal shutdown

 Small size SOT23-6L

Applications

 Point of load DC/DC conversion

 Set top boxes

 DVD drives and HDD

 LCD Monitors & TVs

 Cable modems

 Telecom/Networking/Datacom equipment