AOZ1092D

AOZ1092D EZBuck™ 3A Simple Buck Regulator General Description The AOZ1092D is a high efficiency, simple to use, 3A buck regulator. The AOZ1092D 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 AOZ1092D comes in 4x5 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 ● 50mΩ internal PFET switch for high efficiency: up to 95% ● Schottky diode is included ● 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 4x5 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 Ceramic VIN EN U1 LX AOZ1092D COMP FB RC C5 AGND GND CC L1 4.7µH VOUT 3.3V R1 C2, C3 22µF Ceramic R2 Rev. 1.3 February 2009 Figure 1. 3.3V/3A Non-Synchronous Buck Regulator www.aosmd.com Page 1 of 16 AOZ1092D Ordering Information Part Number Ambient Temperature Range AOZ1092DI -40°C to +85°C Package DFN-8 4x5 Environmental RoHS All AOS Products are offering in packaging with Pb-free plating and compliant to RoHS standards. Please visit www.aosmd.com/web/quality/rohs_complia...