RT8223N controller equivalent, main power supply controller.
fixed 5V/3.3V linear regulators. Each linear regulator provides up to 100mA output current with automatic linear regulator bootstrapping to the PWM outputs. The RT8223N i.
an ultrasonic mode is included, which maintains the switching frequency above 25kHz. Moreover, the diode-emulation mode.
The RT8223N is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V lin.
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