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LM2756 - Multi-Display Inductorless LED Driver

General Description

The LM2756 is a highly integrated, switchedcapacitor, multi-display LED driver that can drive up to 8 LEDs in parallel with a total output current of 180mA.

Regulated internal current sources deliver excellent current and brightness matching in all LEDs.

Key Features

  • 1.
  • 2 Drives up to 8 LEDs with up to 30mA of Diode Current Each.
  • 32 Exponential Dimming Steps with 800:1 Dimming Ratio for Group A (Up to 6 LEDs).
  • 8 Linear Dimming States for Groups B (Up to 3 LEDs) and D1C (1 LED).
  • Programmable Auto-Dimming Function.
  • 3 Independently Controlled LED Groups Via I2C Compatible Interface.
  • Up to 90% Efficiency.
  • Total Solution Size < 21mm2.
  • Low Profile 20 Bump DSBGA Package (1.615mm × 2.015mm × 0.6m.

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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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LM2756 www.ti.com SNVS504C – JULY 2007 – REVISED MAY 2013 LM2756 Multi-Display Inductorless LED Driver with 32 Exponential Dimming Steps in DSBGA Check for Samples: LM2756 FEATURES 1 •2 Drives up to 8 LEDs with up to 30mA of Diode Current Each • 32 Exponential Dimming Steps with 800:1 Dimming Ratio for Group A (Up to 6 LEDs) • 8 Linear Dimming States for Groups B (Up to 3 LEDs) and D1C (1 LED) • Programmable Auto-Dimming Function • 3 Independently Controlled LED Groups Via I2C Compatible Interface • Up to 90% Efficiency • Total Solution Size < 21mm2 • Low Profile 20 Bump DSBGA Package (1.615mm × 2.015mm × 0.6mm) • 0.4% Accurate Current Matching • Internal Soft-Start Limits Inrush Current • True Shutdown Isolation for LED’s • Wide Input Voltage Range (2.7V to 5.