AOZ1036 Datasheet, PDF (1/17 Pages) Alpha & Omega Semiconductors – EZBuck™ 5A Synchronous Buck Regulator

AOZ1036
EZBuck™ 5A Synchronous Buck Regulator
General Description
The AOZ1036 is a high efficiency, easy to use, 5A
synchronous buck regulator. The AOZ1036 works from
4.5V to 18V input voltage range, and provides up to 5A of
continuous output current with an output voltage
adjustable down to 0.8V.
The AOZ1036 comes in both a 5x4 DFN-8 and an
exposed pad SO-8 package and is rated over a
-40°C to +85°C ambient temperature range.
Features
z 4.5V to 18V operating input voltage range
z Synchronous Buck: 55mΩ internal high-side switch
and 19mΩ Internal low-side switch
z High efficiency: up to 95%
z Internal soft start
z Output voltage adjustable to 0.8V
z 5A continuous output current
z Fixed 500kHz PWM operation
z Cycle-by-cycle current limit
z Pre-bias start-up
z Short-circuit protection
z Thermal shutdown
z Thermally enhanced 5x4 DFN-8 and exposed pad
SO-8 packages
Applications
z Point of load DC/DC converters
z LCD TV
z Set top boxes
z DVD / Blu-ray players/recorders
z Cable modems
z PCIe graphics cards
Typical Application
VIN
C1
22µF
Ceramic
R_C
C_C
VIN
EN _{AOZ1036 LX}
COMP
AGND
FB
PGND
L1
4.7µH
VOUT
R1
C2, C3
22µF
Ceramic
R2
Rev. 1.1 September 2010
Figure 1. 3.3V 5A Synchronous Buck Regulator
www.aosmd.com
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