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IC manufacturers Alpha & Omega Semiconductor

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reference designAOZ6663DI

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

More information

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
74437368068
SPECWE-LHMI SMT Power Inductor, 6.8 µH, 8.6 A
Simu­lation
Availability
–
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance6.8 µH
Performance Rated Current8.6 A
Saturation Current @ 10%8 A
Saturation Current @ 30%17.4 A
DC Resistance23.3 mΩ
Self Resonant Frequency13 MHz
MountSMT 
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