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LM2796 Datasheet Dual-Display White LED Driver

Manufacturer: Texas Instruments

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General Description

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

It can drive up to 7 LEDs in parallel with up to 20mA through each LED.

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

Overview

LM2796 www.ti.com SNVS273A – MAY 2004 – REVISED MAY 2013 LM2796 Dual-Display White LED Driver with 3/2x Switched Capacitor Boost Check for Samples:.

Key Features

  • 1.
  • 2 Drives up to 7 LEDs with up to 20mA Each.
  • LEDs Controlled in 2 Distinct Groups, for Backlighting 2 Displays (Main LCD and SubLCD).
  • 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 DSBGA Package: (2.1mm x 2.4mm x 0.6mm).

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