LP3942YQ NSC [National Semiconductor], LP3942YQ Datasheet - Page 6

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

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Typical Performance Characteristics
2.2 µF, C
1
Charge Pump Voltage vs Load Current
= 1.0 µF, C
LED Current vs Output Pin Voltage
Charge Pump Load Regulation
2
= 1.0 µF, C
OUT
= 3.3 µF, R
20129221
20129219
20129217
BIAS
= 27k.
Unless otherwise specified V
6
Charge Pump Efficiency vs Load Current
LED Current vs Set Resistance
Charge Pump Startup
VDD
= 2.78V, V
IN
= 3.5V, C
20129218
20129216
20129220
IN
=