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RT9902 Datasheet 4 Channel DC/dc Converters Ic

Manufacturer: Richtek Technology Corporation

Overview: Preliminary RT9902 4 Channel DC/DC Converters IC with High-Efficiency Step-Up and.

General Description

The RT9902 is a plete power supply solution for digital still cameras and other hand-held devices.

It integrates a high-efficiency main step-up DC-DC converter, two highefficiency step-down converters, a charge pump, and a linear controller that drives an external P-MOSFET for linear ..

regulator.

Key Features

  • z z z z z z z z z z z z z z 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 Distributor