Alpha & Omega Semiconductor


EZBuckTM 3A Synchronous Buck Regulator

Topologie: Buck
Eingangsspannung (min.): 4.50 V
Eingangsspannung (max.): 18.00 V
Ausgang 1: 0.60 V / 3.000 A

Erstveröffentlichung am , Version 00


The AOZ6663DI is a high efficiency, easy to use, 3Asynchronous buck regulator at high switching frequencyfor small form factor solution. The AOZ6663DI worksfrom 4.5V to 18V input voltage range, and provides up to3A of continuous output current with an output voltageadjustable down to 0.6V.


  • 4.5V to 18V operating input voltage range
  • Synchronous Buck: 145mΩ internal high-side switch and 80mΩ Internal low-side switch
  • Up to 95% efficiency
  • Pulse Energy Mode for light load efficiency. (Vin=12V, Vo=5V, 87%@10mA)
  • Output voltage adjustable to 0.6V
  • 3A continuous output current
  • 750kHz PWM operation
  • External compensation
  • Internal Soft Start
  • Cycle-by-cycle current limit
  • Pre-bias start-up
  • Short-circuit protection
  • Thermal shutdown


  Artikel Nr. SPEC Produktserie L
RDC typ.
RDC max.
Montageart Muster
74437368068 PDF WE-LHMI SMT Speicherdrossel 6.8 6 14 17.5 23.3 13 SMT