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RT9911 - 6 Channel DC/DC Converters

Description

The RT9911 is a complete power-supply solution for digital still cameras and other hand-held devices.

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% efficiency `100%(MAX) Duty Cycle `Internal Switches Main Boost DC-DC Converter `Adjustable Output Voltage `Up to 97% efficiency PWM Converter for CCD positive voltage Inverter for CCD negative voltage White LED Driver for LCD panel backlight Up to 1.4MHz Adjustable Switching Frequency.

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Datasheet Details

Part number RT9911
Manufacturer Richtek Technology Corporation
File Size 674.89 KB
Description 6 Channel DC/DC Converters
Datasheet download datasheet RT9911 Datasheet

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Full PDF Text Transcription

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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.
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