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LP3942 Datasheet(PDF) 15 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) 15 Page - National Semiconductor (TI)

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Application Information (Continued)
Example 3:
6 Blue LEDs in parallel (1), I(LED)
A0-20 mA
•
Maximum current limited by constant current sinks and external resistor
•
Charge pump in 1.5x mode. Brightness adjustment by programming (PWM type)
•
3 external resistors are required to set the current.
•
Overlapping constant current mode in use
•
See Electrical Characteristics for output voltage and current specifications in different conditions
20129213
www.national.com
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