LM27961 - Dual-Display White

Product Overview

National Semiconductor

Part number	LM27961
Manufacturer	National Semiconductor
File Size	748.85 KB
Description	Dual-Display White
Datasheet	LM27961 Datasheet
Additional preview pages of the LM27961 datasheet.

The LM27961 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting.

It is intended to drive 4 LEDs for a main phone display backlight and 3 LEDs for a sub-display backlight.

n Drives 4 Individual Common-Anode LEDs with up to 20mA each for a Main Display Backlight n Drives 3 Individual Common-Cathode LEDs with up to 20mA each for a Sub-Display Backlight n Independent Resistor-Programmable Current Setting n Excellent Current and Brightness Matching n High-Efficiency 3/2x Charge Pump n Extended Li-Ion Input: 2.7V to 5.5V n PWM Brightness Control: 100Hz - 1kHz n 18-bump Thin Micro SMD Package: (2.1mm x 2.4mm x 0.6mm).

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Published: Jan 12, 2009 |