Description
The RT9902 is a complete power supply solution for digital still cameras and other hand-held devices.
Features
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1.5V to 5.5V Battery Input Voltage Range Main step-up DC-DC Converter `1.5V to 5.5V Adjustable Output Voltage `Up to 90% Efficiency `2.6A, 0.3Ω Internal Power Switch Two Step-Down DC-DC Converters `0.8V to 5.5V Adjustable Output Voltage `94% Efficiency `100% Duty Cycle Step-up Charge Pump for Micro-Controller Linear Controller for Linear Regulator Up to 1.4MHz Switching Frequency 1μA Supply Current in Shutdown Mode Programmable Soft Start Function Independent Enabl.
RT9902 Datasheet
