RT8239B controller equivalent, (rt8239a/b/c) main power supply controller.
include on board power up sequencing, a power good output, internal softstart, and a soft discharge output that prevents negative voltage during shutdown. A constant on-t.
an ultrasonic mode is included, which maintains the switching frequency above 25kHz. Moreover, a diode emulation mode m.
The RT8239A/B/C is a dual step down, Switch Mode Power Supply (SMPS) controller which generates logic supply voltages for battery powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V and also two fixed .
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