LM2793 Low Noise White LED Driver

National Semiconductor

Description

LM2793 Low Noise White LED Constant Current Supply with Dual Function Brightness Control February 2003 LM2793 Low Noise White LED Constant Current S.
The LM2793 is a highly efficient, semi-regulated 1.

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Datasheet Specifications

Part number: LM2793
Manufacturer: National Semiconductor
File Size: 211.78 KB
Datasheet: LM2793_NationalSemiconductor.pdf
Description: Low Noise White LED Driver

Features

* n Two Regulated Current Outputs, up to 16mA Each, Matched to Within ± 0.3% (typ. ) n High Efficiency, 1.5x Regulated Charge Pump n Input Voltage Range: 2.7V to 5.5V n Soft Start Limits Inrush Current n Analog Voltage Brightness Control n PWM Brightness Control n Very Small Solution Size - NO INDUCTOR

Applications

* n White LED Display Backlights n White LED Keypad Backlights n 1-Cell LiIon Battery-Operated Equipment Including PDAs, Hand-held PCs, Cellular Phones n Flat Panel Displays Typical Application Circuit 20063602 © 2003 National Semiconductor Corporation DS200636 www. national. com LM2793 Connectio

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LM2793 Low Noise White LED Driver National Semiconductor

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