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AOZ1017

Alpha and Omega Semiconductors
Part Number AOZ1017
Manufacturer Alpha and Omega Semiconductors
Description EZBuck 3A Simple Regulator
Published Apr 5, 2010
Detailed Description AOZ1017 EZBuck™ 3A Simple Regulator www.DataSheet4U.com General Description The AOZ1017 is a high efficiency, simple to ...
Datasheet PDF File AOZ1017 PDF File

AOZ1017
AOZ1017


Overview
AOZ1017 EZBuck™ 3A Simple Regulator www.
DataSheet4U.
com General Description The AOZ1017 is a high efficiency, simple to use, 3A buck regulator.
The AOZ1017 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 AOZ1017 comes in an SO-8 package and is rated over a -40°C to +85°C ambient temperature range.
Features ● ● ● ● ● ● ● ● ● ● ● 4.
5V to 16V operating input voltage range 50mΩ internal PFET switch for 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 Short-circuit protection Output over voltage protection Thermal shutdown Small size SO-8 packages 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 VIN U1 L1 4.
7µH From µPC EN COMP VOUT 3.
3V R1 AOZ1017 RC CC C5 LX FB D1 C2, C3 22µF Ceramic R2 AGND GND Figure 1.
3.
3V/3A Buck Regulator Rev.
1.
0 July 2007 www.
aosmd.
com Page 1 of 16 AOZ1017 Ordering Information Part Number AOZ1017AI S nt RoH plia Com www.
DataSheet4U.
com Ambient Temperature Range -40°C to +85°C Package SO-8 Environmental RoHS All AOS Products are offered with Pb-free plating and RoHS compliant packages.
Please visit wwww.
aosmd.
com/web/rohs_compliant.
jsp for additional information.
Pin Configuration VIN PGND AGND FB 1 2 3 4 8 7 6 5 LX LX EN COMP SO-8 (Top View) Pin Description Pin Number 1 2 3 4 5 6 7, 8 Pin Name VIN PGND AGND FB COMP EN LX Pin Function Supply voltage input.
When VIN rises above the UVLO threshold the device starts up.
Power ground.
Electrically needs to be connected to AGND.
Reference connection for controller section.
Also used as thermal connection for controller section.
Electrically needs to be connected to PGND.
The FB pin is used to determ...


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