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AOZ1017A

Alpha & Omega Semiconductors
Part Number AOZ1017A
Manufacturer Alpha & Omega Semiconductors
Description 3A Simple Regulator
Published Sep 19, 2013
Detailed Description EZBuck™ 3A Simple Regulator AOZ1017A General Description The AOZ1017A is a high efficiency, simple to use, 3A buck reg...
Datasheet PDF File AOZ1017A PDF File

AOZ1017A
AOZ1017A


Overview
EZBuck™ 3A Simple Regulator AOZ1017A General Description The AOZ1017A is a high efficiency, simple to use, 3A buck regulator.
The AOZ1017A 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 AOZ1017A 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 From µPC U1 L1 4.
7µH EN COMP RC CC C5 AOZ1017A LX R1 FB VOUT 3.
3V C2, C3 22µF Ceramic D1 R2 AGND GND Figure 1.
3.
3V/3A Buck Regulator Rev.
1.
2 April 2009 www.
aosmd.
com Page 1 of 15 Free Datasheet http://www.
datasheet4u.
com/ AOZ1017A Ordering Information Part Number AOZ1017AI AOZ1017AIL Ambient Temperature Range -40°C to +85°C Package SO-8 Environmental RoHS Green Product AOS Green Products use reduced levels of Halogens, and are also RoHS compliant.
Please visit www.
aosmd.
com/web/quality/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...


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