AOZ1052PI

EZBuck™ 4A Synchronous Buck Regulator AOZ1052PI General Description The AOZ1052PI is a high efficiency, easy to use, 4A synchronous buck regulator. The AOZ1052PI works from 4.5V to 18V input voltage range, and provides up to 4A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1052PI comes in an exposed pad SO-8 package and is rated over a -40°C to +85°C operating ambient temperature range. Features  4.5V to 18V operating input voltage range  Synchronous Buck: 60mΩ internal high-side switch and 20mΩ internal low-side switch (at 12V)  Up to 95% efficiency  External soft start  Output voltage adjustable to 0.8V  4A continuous output current  450kHz PWM operation  Cycle-by-cycle current limit  Pre-bias start-up  Short-circuit protection  Thermal shutdown  Exposed pad SO-8 package Applications  Point of load DC/DC converters  LCD TV  Set top boxes  DVD and Blu-ray players/recorders  Cable modems Typical Application VIN C1 10µF CSS VIN EN SS L1 4.7µH AOZ1052PI LX R1 VOUT COMP RC CC FB AGND PGND R2 C2, C3 22µF Figure 1. 3.3V, 4A Synchronous Buck Regulator, Fs = 450kHz Rev. 0.5 September 2012 www.aosmd.com Page 1 of 14 Free Datasheet http://www.datasheet4u.com/ AOZ1052PI Ordering Information Part Number AOZ1052PI Ambient Temperature Range -40 °C to +85 °C Package EPAD SO-8 Environmental Green Product AOS Green Products use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/med...