AOZ1025D Datasheet, PDF (1/15 Pages) Alpha & Omega Semiconductors – EZBuck™ 8A Synchronous Buck Regulator

AOZ1025D
EZBuck™ 8A Synchronous Buck Regulator
General Description
The AOZ1025D is a high efficiency, simple to use, buck
regulator, capable of up to 8A with an external low side
MOSFET. The AOZ1025D works from a 4.75V to 16V
input voltage range,
The AOZ1025D comes in a 5 x 4 DFN-16 package and is
rated over a -40°C to +85°C ambient temperature range.
Features
 4.75 to 16V operating input voltage range
 Synchronous rectification: Integrated high side
MOSFET
 High efficiency: up to 95%
 Internal soft start
 Output voltage adjustable to 0.8V
 Up to 8A continuous output current
 Fixed 500kHz PWM operation
 Cycle-by-cycle current limit
 Short-circuit protection
 Thermal shutdown
 Small size 5 x 4 DFN-16 package
Applications
 Point of load DC/DC conversion
 Desktops/graphics cards
 PCIe graphics cards
 Set top boxes
 Blu-Ray and HD-DVD–recorders
 LCD TVs
Typical Application
VIN = 12V
C1, C2
22µF
Ceramic
RC
CC
5V DC
VIN
GOOD
EN
AOZ1025D ^LX
COMP
NGATE
AGND
FB
PGND
L1 2.2µH
VOUT
R1
C3, C4, C5
22µF
Ceramic
R2
Rev. 1.4 June 2012
Figure 1. 1.2V/8A Synchronous Buck Regulator
www.aosmd.com
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