Part AOZ1081
Description 1.8A High Efficiency Constant Current Regulator
Category Voltage Regulator
Manufacturer Alpha & Omega Semiconductors
Size 896.56 KB
Alpha & Omega Semiconductors

AOZ1081 Overview

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.

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