LM3520 Integrated White LED Driver

National Semiconductor

Description

LM3520 Integrated White LED Driver with Organic LED Display Power Supply PRELIMINARY February 2005 LM3520 Integrated White LED Driver with Organic L.
The LM3520 is a dual step-up DC/DC converter, designed to drive up to 5 white LEDs with a constant current and to power an organic LED display with a.

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Datasheet Specifications

Part number: LM3520
Manufacturer: National Semiconductor
File Size: 963.36 KB
Datasheet: LM3520_NationalSemiconductor.pdf
Description: Integrated White LED Driver

Features

* include a low-side NFET switch that can turn off the LED string with no DC current path to ground. The LM3520 is available in a small 14-pin thermallyenchanced LLP package. Features n Integrated OLED and white-LED driver n 80% efficiency n Drives up 5 LEDs at 20mA/3.6V and 4 LEDs at 30mA/3.6V for m

Applications

* n n n n n Flip-phones/Clam-shell Cellular Phones Handheld Devices High-fashion cellular phones White LED Backlighting Digital Cameras Typical Applications 20128803 Main Display with OLED Sub Display © 2005 National Semiconductor Corporation DS201288 www. national. com LM3520 Functional Block D

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LM3520 Integrated White LED Driver National Semiconductor

National Semiconductor LM3520-like datasheet