RT9919 converters equivalent, 7 channel dc/dc converters.
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CH1 is a synchronous step-up output for motor or DSC system I/O power CH2 is a selectable synchronous step-up/step-down output for motor or DSC system I/O po.
for DSC just as follows :
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Features
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CH1 is a synchronous step-up output for motor or DSC system I/O power.
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