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RT9911

Richtek Technology Corporation
Part Number RT9911
Manufacturer Richtek Technology Corporation
Description 6 Channel DC/DC Converters
Published Jul 30, 2008
Detailed Description RT9911 6 Channel DC/DC Converters with a Linear Controller General Description The RT9911 is a complete power-supply sol...
Datasheet PDF File RT9911 PDF File

RT9911
RT9911

Overview
RT9911 6 Channel DC/DC Converters with a Linear Controller General Description The RT9911 is a complete 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 www.
DataSheet4U.
com 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 in VQFN-40L 6x6.
Each DC-DC converter has independent shutdown input.
z Features z z 1.
6V to 5.
5V Battery Input Voltage Range Synchronous Boost/Buck Selectable DC-DC Converter `Internal Switches `Up to 95% efficiency Syn-Buck DC-DC Converters `0.
8V to 5.
5V Adjustable Output Voltage `Up to 95% effici...


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