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LM2791 - Current Regulated Switched Capacitor LED Driver

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National Semiconductor

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LM2791 Current Regulated Switched Capacitor LED Driver by National Semiconductor - Datasheet Preview — Datasheet preview – LM2791

Datasheet Details

Part number	LM2791
Manufacturer	National Semiconductor
File Size	226.70 KB
Description	Current Regulated Switched Capacitor LED Driver
Datasheet	LM2791 Datasheet
Additional preview pages of the LM2791 datasheet.

Product details

Description

The LM2791 is a CMOS charge-pump voltage doubler and regulator that provides two regulated current sources.

Features

n n n n n n n n n n n n n Output matching of ± 0.3% Drives up to two LED’s 3V to 5.8V Input Voltage Up to 36mA output current Soft start limits inrush current Analog brightness control Separate shutdown input Very small solution size - no inductor 0.7mA typical operating current 1µA (max. ) shutdown current 450kHz switching frequency (min. ) Linear regulation generates predictable noise spectrum LLP-10 package: 3mm X 3mm X 0.8mm.

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Published: Mar 22, 2005 |