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LP3942 Datasheet(PDF) 14 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP3942
Description  The Dual RGB LED Controller with 1.5x/2x Charge Pump and SPI Interface
PDF  20 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3942 Datasheet(HTML) 14 Page - National Semiconductor (TI)

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Application Information (Continued)
Example 2:
2+2 RGB LEDs in parallel
•
Maximum current limited by ballast resistors
•
I(LED) accuracy improved by using higher V
OUT voltage → Charge pump operates on 2x mode → VOUT = 5.0V
•
Non overlapping switch mode in use
•
RGB1 and RGB2 have same control
•
RGB3 and RGB4 have same control
•
See Electrical Characteristics for output voltage and current specifications in different conditions
20129212
www.national.com
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