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LM3528 - Multi Display LED Driver

General Description

The LM3528 current mode boost converter offers two separate outputs.

The first output (MAIN) is a constant current sink for driving series white LED’s.

Key Features

  • 1.
  • 2 128 Exponential Dimming Steps.
  • Programmable Auto-Dimming Function.
  • Up to 90% Efficient.
  • Low Profile 12 Bump DSBGA Package (1.2mm x 1.6mm x 0.6mm).
  • Integrated OLED Display Power Supply and LED Driver.
  • Programmable Pattern Generator Output for LED Indicator Function.
  • Drives up to 12 LED’s at 20mA.
  • Drives up to 5 LED’s at 20mA and delivers 18V at 40mA.
  • 1% Accurate Current Matching Between Strings.
  • Internal.

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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.

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LM3528 www.ti.com SNVS513B – AUGUST 2008 – REVISED MAY 2013 LM3528 High Efficiency, Multi Display LED Driver with 128 Exponential Dimming Steps and Integrated OLED Power Supply in a 1.2mm × 1.6mm DSBGA Package Check for Samples: LM3528 FEATURES 1 •2 128 Exponential Dimming Steps • Programmable Auto-Dimming Function • Up to 90% Efficient • Low Profile 12 Bump DSBGA Package (1.2mm x 1.6mm x 0.6mm) • Integrated OLED Display Power Supply and LED Driver • Programmable Pattern Generator Output for LED Indicator Function • Drives up to 12 LED’s at 20mA • Drives up to 5 LED’s at 20mA and delivers 18V at 40mA • 1% Accurate Current Matching Between Strings • Internal Soft-Start Limits Inrush Current • True Shutdown Isolation for LED’s • Wide 2.5V to 5.