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LT3497 - Dual Full Function White LED Driver

General 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.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.