AOZ1212
EZBuck™ 3A Simple Buck Regulator
General Description
The AOZ1212 is a high ef ciency , simple to use, 3A buck re...
AOZ1212
EZBuck™ 3A Simple Buck
Regulator
General Description
The AOZ1212 is a high ef ciency , simple to use, 3A buck
regulator e xible enough to be optimized for a variety of applications. The AOZ1212 works from a 4.5V to 27V input voltage range, and provides up to 3A of continuous output current on each buck
regulator output. The output voltage is adjustable down to 0.8V. The AOZ1212 comes in an SO-8 or DFN-8 package and is rated over a -40°C to +85°C ambient temperature range.
Features
● ● ● ● ● ● ● ● ● ●
4.5V to 27V operating input voltage range 70mΩ internal NFET, ef ciency: up to 95% Internal soft start Output voltage adjustable down to 0.8V 3A continuous output current Fixed 370kHz PWM operation Cycle-by-cycle current limit Short-circuit protection Thermal shutdown Small size SO-8 or DFN-8 package
Applications
● ● ● ● ● ●
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
R1
AOZ1212
VBIAS
C4
FB GND
R2
C2, C3 22µF
COMP
RC CC
www.DataSheet4U.com
Figure 1. 3.3V/3A Buck
Regulator
Rev. 1.1 October 2007
www.aosmd.com
Page 1 of 19
AOZ1212
Ordering Information
Part Number
AOZ1212AI AOZ1212AI
S nt RoH plia Com
Ambient Temperature Range
-40°C to +85°C -40°C to +85°C
Package
SO-8 SO-8
Environmental
RoHS RoHS
All AOS Products are offering in packaging with Pb-free plating and compliant to RoHS standards. Please visit ...