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LT3591EDDB Datenblatt (PDF) - Linear Integrated Systems

LT3591EDDB Datasheet PDF - Linear Integrated Systems
Teilenummer LT3591EDDB
Download  LT3591EDDB Download

Filegröße   274.76 Kbytes
Page   16 Pages
Hersteller  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Bauteilbeschribung White LED Driver with Integrated Schottky in 3mm 2mm DFN

LT3591EDDB Datasheet (PDF)

Go To PDF Page Download Datenblatt
LT3591EDDB Datasheet PDF - Linear Integrated Systems

Teilenummer LT3591EDDB
Download  LT3591EDDB Click to download

Filegröße   274.76 Kbytes
Page   16 Pages
Hersteller  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Bauteilbeschribung White LED Driver with Integrated Schottky in 3mm 2mm DFN

LT3591EDDB Datenblatt (HTML) - Linear Integrated Systems

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LT3591EDDB Produktdetails

DESCRIPTION
The LT®3591 is a fixed frequency step-up DC/DC converter specifi cally designed to drive up to ten white LEDs in series 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. The device features a unique high side LED current sense that enables the part to function as a “one wire current source;” one side of the LED string can be returned to ground anywhere, allowing a simpler one wire LED connection. Traditional LED drivers use a grounded resistor to sense LED current, requiring a 2-wire connection to the LED string.

FEATURES
■ Drives Up to Ten White LEDs from a 3V Supply
■ High Side Sense Allows “One Wire Current Source”
■ Internal Schottky Diode
■ One Pin Dimming and Shutdown
■ 80:1 True Color PWMTM Dimming Range
■ 42V Open LED Protection
■ 1MHz Switching Frequency
■ ±5% Reference Accuracy
■ VIN Range: 2.5V to 12V
■ Requires Only 2.2µF Output Capacitor
■ Low Profi le 8-Lead DFN Package (3mm × 2mm × 0.75mm)

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




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