Dual-Display White LED Driver with 3 2x Switched Capacitor Boost


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The LM2796 is a charge-pump based white-LED driver that is ideal for mobile phone display backlighting.

  • Drives up to 7 LEDs withup to 20mA each
  • LEDs controlled in 2 Distinct Groups, for Backlighting 2 Displays (main LCD and sub-LCD)
  • Excellent Current and Brightness Matching
  • High-Efficiency 3/2x Charge Pump
  • Extended Li-Ion Input: 2.7V to 5.5V
  • PWM Brightness Control: 100Hz - 1kHz
  • 18-bump Thin Micro SMD Package:
      (2.1mm x 2.4mm x 0.6mm)


  • Mobile Phone Display Lighting
  • Mobile Phone Keypad Lighting
  • PDAs
  • General LED Lighting


Backlight LED drivers
LM2796 Dual-display white LED driver with 3/2x switched capacitor Boost
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Evaluation board

LM2796TLEV — Dual-Display White LED Driver with 3 2x Switched Capacitor Boost

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Technical documentation

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Type Title Date
* EVM User's guide AN-1321 LM2796 Evaluation Board (Rev. A) 30 Apr 2013
Certificate LM2796TLEV EU Declaration of Conformity (DoC) 02 Jan 2019

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