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| LP3942 Datasheet, PDF (6/20 Pages) National Semiconductor (TI) – The Dual RGB LED Controller with 1.5x/2x Charge Pump and SPI Interface | |||
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Typical Performance Characteristics Unless otherwise specified VVDD = 2.78V, VIN = 3.5V, CIN =
2.2 µF, C1 = 1.0 µF, C2 = 1.0 µF, COUT = 3.3 µF, RBIAS = 27k.
Charge Pump Voltage vs Load Current
Charge Pump Efficiency vs Load Current
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LED Current vs Output Pin Voltage
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LED Current vs Set Resistance
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Charge Pump Load Regulation
Charge Pump Startup
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www.national.com
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