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 converter
CH3 : 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.
Applications
- Digital Still Camera
- PDA
- Portable Device