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A7122 Datasheet(PDF) 1 Page - AIT Components Ltd.

No. de Pieza. A7122
Descripción  DC-DC CONVERTER BUCK SYNCHRONOUS BUCK CONVERTER
Descarga  13 Pages
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Fabricante  AITCOMPONENTS [AIT Components Ltd.]
Página de inicio  http://aitcomponents.com
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A7122 Datasheet(HTML) 1 Page - AIT Components Ltd.

 
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AiT Semiconductor Inc.
www.ait-ic.com
A7122
DC-DC CONVERTER BUCK (STEP-DOWN)
2A 3MHz 6V SYNCHRONOUS BUCK CONVERTER
REV1.1
- JUL 2012 RELEASED, DEC 2014 UPDATED -
- 1 -
DESCRIPTION
FEATURES
The A7122 is a high efficiency synchronous, buck
DC/DC converter. Its input voltage range is from 2.6V
to 6V and provides an adjustable regulated output
voltage from 0.6V to VIN while delivering up to 2A of
output current.
The
internal
synchronous
switches
increase
efficiency and eliminate the need for an external
Schottky diode. It runs at a fixed 3MHz frequency,
which allows the use of small inductor with L<1uH
while maintaining a high efficiency and small output
voltage ripple.
When Mode pin is connected to GND, the A7122 is
operating in PFM/PWM auto-switch mode which
enhance the efficiency at light-load.
The A7122 is available in DFN8(2x2) and SOT-25
packages.
ORDERING INFORMATION
Package Type
Part Number
DFN8(2x2)
J8
A7122J8R-ADJ
A7122J8VR-ADJ
SOT-25
E5
A7122E5R-ADJ
A7122E5VR-ADJ
Note
R: Tape & Reel
V: Halogen free Package
AiT provides all RoHS products
Suffix V means Halogen free Package
Adjustable Output Voltage, VFB=0.6V
Maximum output current is 2A
Range of operation input voltage: Max 6V
Standby current: 30uA (typ.)
Line regulation: 0.1%/V (typ.)
Load regulation: 10mV (typ.)
High efficiency up to 96%
Environment Temperature: -20
°C~85°C
Available in DFN8(2x2) and SOT-25 Packages
APPLICATION
Power Management for 3G modem
Smart Phone
Tablet PC
Set Top Box
Other Battery Powered Device
TYPICAL APPLICATION


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