AOZ1210
EZBuck™ 2A Simple Buck Regulator
General Description
The AOZ1210 is a high efficiency, simple to use, 2A buck
regulator flexible enough to be optimized for a variety of
applications. The AOZ1210 works from a 4.5V to 27V
input voltage range, and provides up to 2A of continuous
output current on each buck regulator output. The output
voltage is adjustable down to 0.8V.
Features
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4.5V to 27V operating input voltage range
70m
Ω
internal NFET, efficiency: up to 95%
Internal soft start
Output voltage adjustable down to 0.8V
2A continuous output current
Fixed 370kHz PWM operation
Cycle-by-cycle current limit
Short-circuit protection
Thermal shutdown
Small size SO-8 packages
Applications
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Point of load DC/DC conversion
Set top boxes
DVD drives and HDD
LCD Monitors & TVs
Cable modems
Telecom/Networking/Datacom equipment
Typical Application
VIN
C1
22µF
C7
VIN
EN
BS
LX
L1
6.8µH
VOUT
AOZ1210
VBIAS
C4
R1
FB
GND
R2
C4, C6
22µF
COMP
R
C
C
C
Figure 1. 3.3V/2A Buck Regulator
Rev. 1.3 December 2007
www.aosmd.com
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