Alpha and Omega Semiconductor - AOZ1282xx EZBuck™ 1.2A Simple Buck Regulator - 27 July 2012

The AOZ128xxx series is a high efficiency, simple to use, 1.2A buck regulator flexible enough to be optimized for a variety of applications.

AOZ1282CI - SOT23-6.
AOZ1282DI - DFN2x2-8L.

AOZ1284PI (SO8) is a high voltage, high efficiency, simple to use, 4A buck regulator optimized for a variety of applications.

The AOZ1284 integrates an N-channel high-side power MOSFET and works from a 3.0V to 36V input voltage range, and provides up to 4A of continuous output current. The output voltage is adjustable from 30V down to 0.8V.

Product page

Datasheet

Key Features

4.5V to 36V operating input voltage range.
240mΩ internal NMOS.
Up to 95% efficiency.
Internal compensation.
1.2A continuous output current.
Fixed 450kHz PWM operation.
Internal soft start.
Output voltage adjustable down to 0.8V.
Cycle-by-cycle current limit.
Short-circuit protection.
Thermal shutdown.
Small size SOT23-6L.

Applications

Point of load DC/DC conversion.
Set top boxes and cable modems.
DVD drives and HDDs.
LCD Monitors & TVs.
Telecom/Networking/Datacom equipment.

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