RT9911
RT9911 is manufactured by Richtek.
6 Channel DC/DC Converters with a Linear Controller
General Description
The RT9911 is a plete power-supply solution for digital still cameras and other hand-held devices. It integrates one selectable Boost/Buck DC-DC converter, one highefficiency step-down DC-DC converter, one high-efficiency main step-up converter, one PWM converter for CCD positive voltage, one inverter for CCD negative voltage and .. one white LED driver for LCD backlight and a linear controller that drives an external P-Channel MOSFET for a linear regulator. The RT9911 is targeted for applications that use either two or three primary cells or a single lithium-ion battery. RT9911 is available...
