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ETA1483 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ETA1483
部品説明 18V High Efficiency Synchronous Step-Down Converter
メーカ ETA solutions
ロゴ ETA solutions ロゴ 



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ETA1483 Datasheet, ETA1483 PDF,ピン配置, 機能
ETA1483
2A, 18V High Efficiency Synchronous Step-Down Converter
DESCRIPTION
The ETA1483 is a wide input range, high-efficiency,
DC-to-DC step-down switching regulator, capable of
delivering up to 2A of output current. Current mode PWM
control allows the use of small external components, such
as ceramic input and output caps, as well as small
inductors, while still providing low output ripples. On top of
the integrated internal synchronous rectifier that
eliminates external Schottky diode, ETA1483 also employs a
proprietary control scheme that switches the device into a
power save mode during light load, thereby extending the
range of high efficiency operation. Therefore, ETA1483 is a
much superior solution in comparison to other
competitions in terms of efficiency and cost.
Cycle-by-cycle current limit provides output short-circuit
protection and an input OVP function guards ETA1483
against possible input voltage surge. Overall, ETA1483 is a
highly efficient and robust solution for DC-DC step-down
applications that requires wide input ranges.
ETA1483 is housed in a SOP8 Package.
FEATURES
Wide Input Operating Range from 4.5V to 18V
High Efficiency:
Up to 90%at Light Load
Up to 95% at Heavy Load
Capable of Delivering 2A
Input OVP at 20V
No External Schottky Diode Needed
Current Mode control
0.923V Reference for Low Output voltages
Logic Control Shutdown
Thermal shutdown and UVLO
Available in SOP8
APPLICATIONS
LCD TVs
Notebook computers
FPGA power supplies
LED drivers
Car Charging Device
ORDERING INFORMATION
PART PACKAGE PIN
ETA1483
SOP8
TOP MARK
ETA1483
TYPICAL APPLICATION
www.ETAsolution.com
Outperform with Efficiency
Proprietary Information DO NOT Distribute
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