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LT3497 Datenblatt (PDF) - Linear Integrated Systems

LT3497 Datasheet PDF - Linear Integrated Systems
Teilenummer LT3497
Download  LT3497 Download

Filegröße   345.75 Kbytes
Page   20 Pages
Hersteller  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Bauteilbeschribung Dual Full Function White LED Driver with Integrated Schottky Diodes

LT3497 Datasheet (PDF)

Go To PDF Page Download Datenblatt
LT3497 Datasheet PDF - Linear Integrated Systems

Teilenummer LT3497
Download  LT3497 Click to download

Filegröße   345.75 Kbytes
Page   20 Pages
Hersteller  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Bauteilbeschribung Dual Full Function White LED Driver with Integrated Schottky Diodes

LT3497 Datenblatt (HTML) - Linear Integrated Systems

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LT3497 Produktdetails

DESCRIPTION
The LT®3497 is a dual full function step-up DC/DC converter specifi cally designed to drive up to 12 white LEDs (6 white LEDs in series per converter) from a Li-Ion cell. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors and expensive factory calibration.

FEATURES
■ Drives Up to 12 White LEDs (6 in Series per
   Converter) from a 3V Supply
■ Two Independent Boost Converters Capable of
   Driving Asymmetric LED Strings
■ Independent Dimming and Shutdown Control of the
   Two LED Strings
■ High Side Sense Allows “One Wire Current Source”
   per Converter
■ Internal Schottky Diodes
■ Open LED Protection (32V)
■ 2.3MHz Switching Frequency
■ ±5% Reference Accuracy
■ VIN Range: 2.5V to 10V
■ Dual Wide 250:1 True Color PWMTM Dimming
■ Requires Only 1µF Output Capacitor per Converter
■ Available in a 3mm × 2mm 10-Pin DFN Package

APPLICATIONS
■ Cellular Phones
■ PDAs, Handheld Computers
■ Digital Cameras
■ MP3 Players
■ GPS Receivers




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