AOZ1018

AOZ1018 EZBuck™ 2A Simple Regulator www.DataSheet4U.com General Description The AOZ1018 is a high efficiency, simple to use, 2A buck regulator. The AOZ1018 works from a 4.5V to 16V input voltage range, and provides up to 2A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1018 comes in 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 130 mΩ internal PFET switch for high efficiency: up to 95% Internal soft start Output voltage adjustable to 0.8V 2A continuous output current Fixed 500kHz PWM operation Cycle-by-cycle current limit Short-circuit 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 C1 22µF Cd 1µF VIN L1 4.7µH From µPC EN VOUT AOZ1018 COMP RC CC LX R1 FB D1 +3.3V Output @ 2A C2 47µF R2 AGND PGND Figure 1. 3.3V/2A Buck Regulator Rev. 1.0 November 2006 www.aosmd.com Page 1 of 14 AOZ1018 Ordering Information Part Number AOZ1018AI HS nt Ro mplia Co www.DataSheet4U.com Ambient Temperature Range -40°C to +85°C Package SO-8 Environmental RoHS All AOS Products are offered in packaging with Pb-free plating and compliant to RoHS standards. Please visit wwww.aosmd.com/web/rohs_compliant.jsp for additional information. Pin Configur...