AOZ1094

AOZ1094 EZBuck™ 5A Simple Buck Regulator General Description The AOZ1094 is a high efficiency, simple to use, 5A buck regulator. The AOZ1094 works from a 4.5V to 16V input voltage range, and provides up to 5A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1094 comes in SO-8 and DFN-8 packages and is rated over a -40°C to +85°C ambient temperature range. Features ● 4.5V to 16V operating input voltage range ● 28mΩ internal PFET switch for high efficiency: up to 95% ● Internal soft start ● Output voltage adjustable to 0.8V ● Built-in Overvoltage Protection (OVP) – 18% OVP threshold ● 5A continuous output current ● Fixed 500kHz PWM operation ● Cycle-by-cycle current limit ● Short-circuit protection ● Thermal shutdown ● Small size SO-8 and DFN-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 VIN Enable RC CC EN U1 AOZ1094 COMP C5 1000pF AGND GND LX FB L1 3.3μH Rs 20Ω D1 Cs 1nF VOUT 3.3V R1 C2 22μF C3 22μF R2 Rev. 1.3 October 2010 Figure 1. 3.3V/5A Buck Down Regulator www.aosmd.com Page 1 of 19 Ordering Information Part Number Ambient Temperature Range AOZ1094AIL AOZ1094DIL -40°C to +85°C -40°C to +85°C Package SO-8 DFN-8 AOS Green Products use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/web/quality/rohs_compliant.jsp...