RT9971 ic equivalent, 7 ch power management ic.
l One Synchronous Step-Up or Step-Down Selectable Convertor
l Support 2AA or Li-ion Battery Applications l Preset On/Off Sequence l 5 CHs with Internal Compensation l All.
for DSC just as follows :
CH1 is a synchronous step-up output for motor or DSC system I/O power
CH2 is a selectable sync.
The RT9971 is a complete power supply solution for digital still cameras and other hand held devices. The RT9971 is a multi-channel power management IC including two stepup DC/DC converters, two step-down DC/DC converters, one selectable step-up/step.
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