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AOZ1084 - 1.2A Buck LED Driver

Datasheet Summary

Description

The AOZ1084 is a high efficiency, simple to use, 1.2A buck HB LED driver optimized for general lighting applications.

The AOZ1084 works from a 4.5V to 36V input voltage range, and provides up to 1.2A of continuous LED current.

Features

  • Up to 36V operating input voltage range.
  • 420mΩ internal NMOS.
  • Up to 95% efficiency.
  • Internal compensation.
  • 1.2A continuous output current.
  • Fixed 450kHz PWM operation.
  • Internal soft start.
  • 160mV LED current feedback voltage with ±8% accuracy.
  • Cycle-by-cycle current limit.
  • Short-circuit protection.
  • Thermal shutdown.
  • Small size DFN2x2-8L.

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Datasheet preview – AOZ1084

Datasheet Details

Part number AOZ1084
Manufacturer Alpha & Omega Semiconductors
File Size 407.12 KB
Description 1.2A Buck LED Driver
Datasheet download datasheet AOZ1084 Datasheet
Additional preview pages of the AOZ1084 datasheet.

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Full PDF Text Transcription

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AOZ1084 1.2A Buck LED Driver General Description The AOZ1084 is a high efficiency, simple to use, 1.2A buck HB LED driver optimized for general lighting applications. The AOZ1084 works from a 4.5V to 36V input voltage range, and provides up to 1.2A of continuous LED current. The 160mV LED current feedback voltage minimizes the power dissipation of the external sense resistor. The fixed switching frequency of 450kHz PWM operation reduces inductor and capacitor sizes. The AOZ1084 is available in a tiny DFN2x2-8L package. Features  Up to 36V operating input voltage range  420mΩ internal NMOS  Up to 95% efficiency  Internal compensation  1.
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