RT9379

® RT9379 6 Channels 150mA x1/x1.5/x2 Charge Pump White LED Driver General Description The RT9379 is a 6 channel WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources. The RT9379 can power up to 6 white LEDs with regulated constant current for uniform intensity. Each channel (LED1 to LED6) can support up to 25mA. The part maintains highest efficiency by utilizing x1/x1.5/ x2 fractional charge pump and low dropout current regulators. For the brightness control, user can easily use a PWM signal generated from GPIO to control the brightness of WLEDs. The RT9379 is available in a WQFN-16L 2x3 package. Small 1μF capacitors can be used for fly capacitors. It provides the best backlighting solution with high efficiency and smallest board space for portable application. Ordering Information RT9379 Package Type QW : WQFN-16L 2x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are : ` RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. ` Suitable for use in SnPb or Pb-free soldering processes. Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area. Features z 85% Average Efficiency Over Li-ion Battery Discharge z Support Up to 6 White LEDs z Support Up to 25mA/Per Channel z PWM Brightness Control z 60mV Current Source Dropout z 1% LED Current Accuracy z 0.7% LED Curren...