LM2794, LM2 - Current Regulated Switched Capacitor LED Driver

National Semiconductor

Datasheet Details

Part number	LM2794, LM2
Manufacturer	National Semiconductor
File Size	470.52 KB
Description	Current Regulated Switched Capacitor LED Driver
Datasheet	LM2-794.pdf
Note	This datasheet PDF includes multiple part numbers: LM2794, LM2. Please refer to the document for exact specifications by model.

The LM2794/95 is a fractional CMOS charge-pump that provides four regulated current sources.

n Regulated current sources with ± 0.5% matching between any two outputs n High efficiency 3/2 boost function n Drives one, two, three or four white LEDs n 2.7V to 5.5V Input Voltage n Up to 80mA output current n Analog brightness control n Active-low or high shutdown input (’94/95) n Very small solution size and no inductor n 2.3µA (typ. ) shutdown current n 325kHz switching frequency (min. ) n Constant Frequency generates predictable noise spectrum n Standard Micro SMD-14 package: 2.08mm X 2.403.

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Published: Mar 22, 2005 |