IC manufacturers Alpha & Omega Semiconductor

IC manufacturers (96)

Alpha & Omega Semiconductor AOZ6663DI

EZBuckTM 3A Synchronous Buck Regulator

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Output 10.6 V / 3 A
IC revision00

Description

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.

Features

  • 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

Typical applications

  • High performance LCD TV
  • Point of load DC/DC converters, High reliable DC/DC converters
  • High performance cable modems

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples
74437368068SPEC
8 files WE-LHMI SMT Power Inductor 6.8 8.6 8 17.4 23.3 13 SMT
Order Code Data­sheet Simu­lation
74437368068SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Mount Samples