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RT8223A

Part Number	RT8223A
Manufacturer	Richtek
Description	(RT8223A/B) Main Power Supply Controller
Published	Jan 28, 2013
Detailed Description	RT8223A/B High Efficiency, Main Power Supply Controller for Notebook Computers General Description The RT8223A/B dual st...
Datasheet	RT8223A PDF File

Overview

RT8223A/B High Efficiency, Main Power Supply Controller for Notebook Computers General Description The RT8223A/B dual step-down, switch-mode powersupply controller generates logic-supply voltages in battery-powered systems.
The RT8223A/B includes two pulse-width modulation (PWM) controllers fixed at 5V/ 3.
3V or adjustable from 2V to 5.
5V.
This device also features 2 linear regulators providing fixed 5V and 3.
3V outputs.
The linear regulator each provides up to 70mA output current with automatic linear-regulator bootstrapping to the PWM outputs.
The RT8223A/B includes on-board power-up sequencing, the power good output, internal softstart, and internal soft-discharge output that prevents nega...

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