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AOZ1281 - 1.8 A Simple Buck Regulator

Datasheet Summary

Description

The AOZ1281 is a high efficiency, simple to use, 1.8 A buck regulator flexible enough to be optimized for a variety of applications.

The AOZ1281 works from a 3 V to 26 V input voltage range, and provides up to 1.8 A of continuous output current.

The output voltage is adjustable down to 0.8 V.

Features

  • z 3 V to 26 V operating input voltage range z 240 mΩ internal NMOS z High efficiency: up to 95 % z Internal compensation z 1.8 A continuous output current z Fixed 1.5 MHz PWM operation z Internal soft start z Output voltage adjustable down to 0.8 V z Cycle-by-cycle current limit z Short-circuit protection z Thermal shutdown z Small size: DFN 2x2, 8L.

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Datasheet preview – AOZ1281

Datasheet Details

Part number AOZ1281
Manufacturer Alpha & Omega Semiconductors
File Size 654.43 KB
Description 1.8 A Simple Buck Regulator
Datasheet download datasheet AOZ1281 Datasheet
Additional preview pages of the AOZ1281 datasheet.

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Full PDF Text Transcription

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AOZ1281 EZBuck™ 1.8 A Simple Buck Regulator General Description The AOZ1281 is a high efficiency, simple to use, 1.8 A buck regulator flexible enough to be optimized for a variety of applications. The AOZ1281 works from a 3 V to 26 V input voltage range, and provides up to 1.8 A of continuous output current. The output voltage is adjustable down to 0.8 V. The fixed switching frequency of 1.5 MHz PWM operation reduces inductor size. Features z 3 V to 26 V operating input voltage range z 240 mΩ internal NMOS z High efficiency: up to 95 % z Internal compensation z 1.8 A continuous output current z Fixed 1.5 MHz PWM operation z Internal soft start z Output voltage adjustable down to 0.
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