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LT3497

Linear Integrated Systems
Part Number LT3497
Manufacturer Linear Integrated Systems
Description Dual Full Function White LED Driver
Published Jan 16, 2010
Detailed Description FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ LT3497 Dual Full Function White LED Driver with Integrated Schottky Diodes DESCRIPTION...
Datasheet PDF File LT3497 PDF File

LT3497
LT3497

Overview
FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ LT3497 Dual Full Function White LED Driver with Integrated Schottky Diodes DESCRIPTION The LT®3497 is a dual full function step-up DC/DC converter specifically 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.
The two independent converters are capable of driving asymmetric LED strings.
Accurate LED dimming and shutdown of the two LED strings can also be controlled independently.
The LT3497 features a unique high side LED current sense that...


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