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PDF AOZ1019-EVA Data sheet ( Hoja de datos )
| Número de pieza | AOZ1019-EVA | |
| Descripción | 2A Simple Buck Regulator Evaluation Board Note | |
| Fabricantes | Alpha & Omega Semiconductors | |
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AOZ1019-EVAwww.DataSheet4U.com
EZBuck™ 2A Simple Buck Regulator
Evaluation Board Note
General Description
The AOZ1019 evaluation board is a fully assembled and
tested circuit board built with the AOZ1019 buck regulator
IC. It outputs a preset or adjustable voltage and up to 2A
of continuous current. The evaluation board requires an
input voltage from 4.5V to 16V. The output voltage is
preset and can be adjusted from 0.8V to VIN–0.4V
The AOZ1019-EVA circuit features include; current limit,
short circuit protection, input under voltage lock out,
internal soft start and thermal shut down. It operates at a
fixed 500kHz switching frequency. The current mode
control and integrated internal MOSFET minimize
component count, board area and total cost.
The AOZ1019 comes in an SO-8 package and is rated
over a -40°C to +85°C ambient temperature range.
Features
● 4.5V to 16V operating input voltage range
● Output voltage was preset to 3.3V, adjustable down to
0.8V
● 2A continuous output current
● Fixed 500kHz PWM operation
● Internal soft start
● Cycle-by-cycle current limit
● Short-circuit protection
● Thermal shutdown
Applications
● Point of load DC/DC conversion
● PCIe graphics cards
● Set top boxes
● DVD drives and HDD
● LCD panels
● Cable modems
● Telecom/networking/datacom equipment
Evaluation Board Schematic
VIN
C1
22µF
Ceramic
C6
1µF
VIN
From µPC
C5
RC
CC
EN
AOZ1019
COMP
LX
FB
AGND PGND
L1 4.7µH
C4 R1
D1
R2
VOUT +3.3V Output
@2A
C2, C3
22µF
Ceramic
Figure 1.
Rev. 1.0 October 2007
www.aosmd.com
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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet AOZ1019-EVA.PDF ] | |
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