LP3942YQ NSC [National Semiconductor], LP3942YQ Datasheet - Page 15

• Manufacturer Part Number: LP3942YQ
• Description: The Dual RGB LED Controller with 1.5x/2x Charge Pump and SPI Interface
• Manufacturer: NSC [National Semiconductor]

Application Information
Example 3: 6 Blue LEDs in parallel (1), I(LED)
• 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
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A
0-20 mA
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