AOZ1081 Datasheet 1.8a High Efficiency Constant Current Regulator

Manufacturer: Alpha & Omega Semiconductors

Overview: AOZ1081 EZBuck™ 1.8A High Efficiency Constant Current Regulator for LEDs.

Datasheet Details

Part number	AOZ1081
Manufacturer	Alpha & Omega Semiconductors
File Size	896.56 KB
Description	1.8A High Efficiency Constant Current Regulator
Datasheet	AOZ1081-AlphaOmegaSemiconductors.pdf

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.

Key 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.

AOZ1081 Distributor

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