LM2791 - Current Regulated Switched Capacitor LED Driver

National Semiconductor

Datasheet Details

Part number	LM2791
Manufacturer	National Semiconductor
File Size	226.70 KB
Description	Current Regulated Switched Capacitor LED Driver
Datasheet	LM2791_NationalSemiconductor.pdf

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

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 |