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AOZ1081 - 1.8A High Efficiency Constant Current Regulator

Datasheet Summary

Description

The AOZ1081 is a high efficiency, simple to use, 1.8A buck regulator for White LED.

The AOZ1081 works from a 4.5V to 16V input voltage range, and provides up to 1.8A of continuous output current with an output voltage adjustable down to 0.25V.

Features

  • 4.5V to 16V operating input voltage range.
  • 100 mΩ internal PFET switch for high efficiency: up to 95%.
  • Internal Schottky Diode.
  • Internal soft start.
  • 0.25V internal reference with ±5% accuracy over temperature.
  • 1.8A continuous output current.
  • Fixed 1MHz PWM operation.
  • Cycle-by-cycle current limit.
  • Short-circuit protection.
  • Under voltage lockout.
  • Output over voltage protection.
  • Thermal shutdown.
  • Small size SO-8 package.

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Datasheet preview – AOZ1081

Datasheet Details

Part number AOZ1081
Manufacturer Alpha & Omega Semiconductors
File Size 896.56 KB
Description 1.8A High Efficiency Constant Current Regulator
Datasheet download datasheet AOZ1081 Datasheet
Additional preview pages of the AOZ1081 datasheet.

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Full PDF Text Transcription

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AOZ1081 EZBuck™ 1.8A High Efficiency Constant Current Regulator for LEDs General Description The AOZ1081 is a high efficiency, simple to use, 1.8A buck regulator for White LED. The AOZ1081 works from a 4.5V to 16V input voltage range, and provides up to 1.8A of continuous output current with an output voltage adjustable down to 0.25V. The AOZ1081 comes in an SO-8 package and is rated over a -40°C to +85°C ambient temperature range. Features ● 4.5V to 16V operating input voltage range ● 100 mΩ internal PFET switch for high efficiency: up to 95% ● Internal Schottky Diode ● Internal soft start ● 0.25V internal reference with ±5% accuracy over temperature ● 1.
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