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The RT9917 is a complete power-supply solution for digital still cameras and other hand-held devices.It integrates :CH1 : Boost DC-DC converter with load disconnect controller (SW1).CH2 : Selectable Boost/Buck DC-DC converterCH3 : Step-down DC-DC converter with internal compensation.CH4 : Step-down DC-DC converter with internal compensation.CH5 : DC/DC converter with HV NMOS, internal compensation and load disconnect (SW5) for CCD positive supply.CH6 : DC/DC converter with HV PMOS for CCD negative supply.CH7 : WLED driver with HV NMOS, internal compensation and allow for PWM dimming.SW1 : Load disconnect controller for CH1.SW5 : Load disconnect switch for CH5.
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