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LM27953 - White LED Driver

National Semiconductor

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Datasheet Details

Part number	LM27953
Manufacturer	National Semiconductor ↗
File Size	706.74 KB
Description	White LED Driver
Datasheet	LM27953_NationalSemiconductor.pdf

LM27953 Product details

Description

The LM27953 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting.

Features

n Drives 4 Individual Common-Anode LEDs with up to 20mA each for a Main 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: Apr 22, 2010 |