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Numéro de référence | AOZ1073 | ||
Description | 3A Synchronous Buck Regulator | ||
Fabricant | Alpha & Omega Semiconductors | ||
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1 Page
AOZ1073
EZBuck™ 3A Synchronous Buck Regulator
General Description
The AOZ1073 is a synchronous high efficiency, simple
to use, 3A buck regulator. The AOZ1073 works from a
4.5V to 16V input voltage range, and provides up to 3A
of continuous output current with an output voltage
adjustable down to 0.8V.
The AOZ1073 comes in an SO-8 packages and is rated
over a -40°C to +85°C ambient temperature range.
Features
● 4.5V to 16V operating input voltage range
● Synchronous rectification: 85mΩ internal high-side
switch and 30mΩ Internal low-side switch
● High efficiency: up to 95%
● Internal soft start
● Output voltage adjustable to 0.8V
● 3A continuous output current
● Fixed 500kHz PWM operation
● Cycle-by-cycle current limit
● Pre-bias start-up
● Short-circuit protection
● Thermal shutdown
● Output over voltage protection
● Small size SO-8 package
Applications
● Point of load DC/DC conversion
● PCIe graphics cards
● Set top boxes
● DVD drives and HDD
● LCD panels
● Cable modems
● Telecom/networking/datacom equipment
Typical Application
VIN
C1
22µF
Ceramic
RC
CC
VIN
EN
AOZ1073 LX
COMP
FB
AGND
PGND
L1 4.7µH
R1
R2
VOUT
C2, C3
22µF Ceramic
Rev. 1.1 September 2008
Figure 1. 3.3V/3A Buck Regulator
www.aosmd.com
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Pages | Pages 15 | ||
Télécharger | [ AOZ1073 ] |
No | Description détaillée | Fabricant |
AOZ1073 | 3A Synchronous Buck Regulator | Alpha & Omega Semiconductors |
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