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IC manufacturers Alpha & Omega Semiconductor

IC manufacturers (84)

Alpha & Omega Semiconductor AOZ1284PI

EZBuck™ 4A Simple Buck Regulator


TopologyBuck Converter
Input voltage3-36 V
Switching frequency200-2000 kHz
Output 130 V / 4 A
IC revision00


The AOZ1284 is a high voltage, high efficiency, simple to use, 4A buck regulator optimized for a variety of applications. The AOZ1284 works from a 3.0V to 36V input voltage range, and provides up to 4A of continuous output current. The output voltage is adjustable from 30V down to 0.8V.


  • 3.0V to 36V operating input voltage range
  • 50mΩ internal NMOS-Up to 95% efficiency
  • Adjustable soft-start
  • Output voltage adjustable from 0.8V to 30V
  • 4A continuous output current
  • Adjustable switching frequency from 200kHz to 2MHz
  • Cycle-by-cycle current limit -Short-circuit protection
  • Over-voltage protection
  • Over-temperature protection
  • EPAD SO-8 package

Typical applications

  • Point-of-load DC/DC conversion
  • Automotive applications
  • LCD Monitors & TVs
  • Set top boxes and cable modems, DVD drives and HDDs