Part LM2796
Description Dual-Display White LED Driver
Manufacturer National Semiconductor
Size 172.18 KB
National Semiconductor
LM2796

Overview

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.

  • Drives up to 7 LEDs with up 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)