RT8223A controller equivalent, main power supply controller.
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.
Other features include diodeemulation mode (DEM), which maximizes efficiency in light-load applications, and fixed-freq.
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 dev.
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