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LM2796

Part Number	LM2796
Manufacturer	National Semiconductor
Description	Dual-Display White LED Driver
Published	Mar 22, 2005
Detailed Description	LM2796 Dual-Display White LED Driver with 3/2x Switched Capacitor Boost February 2004 LM2796 Dual-Display White LED Dr...
Datasheet	LM2796 PDF File

Overview

LM2796 Dual-Display White LED Driver with 3/2x Switched Capacitor Boost February 2004 LM2796 Dual-Display White LED Driver with 3/2x Switched Capacitor Boost 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.
The LED-driver current sources are split into two independently controlled groups.
The primary group (4 LEDs) can be used to backlight the main phone display.
The second group (3 LEDs) can be used to backlight a secondary display or to provide ot...

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