IR2E46Y

www.DataSheet4U.com IR2E46Y IR2E46Y Illumination and Flash RGB-LED Driver ■Description IR2E46Y incorporates the illumination driver and the flash driver for an RGB-LED, and is equipped with the step-up DC/DC converter. This product is optimum for use as the RGB-LED driver IC for PDA and cellular phone applications, etc. ■Agency approvals/Compliance 1. Compliant with RoHS directive(2002/95/EC) ■Applications ■Features 1.Power supply: 2.7 V to 4.5 V 2.Supports I2C-bus interface The I2C address extension function enables simultaneous controlling of four devices. 3.SCL pin and SDA pin are installed with noise filters. 4.Sink-type variable constant current driver for RGB-LED (maximum current 155mA x 3ch） Stroboscopic mode: 0mA to 155mA (32 steps per output, 5.0mA STEP) Illumination mode: 0mA to 31.5mA (64 steps per output, 0.5mA STEP) 5.VF control circuit embedded (VDD to 13V) 6.LED brightness adjustment circuit embedded (16 steps, PWM control) 7.Stroboscopic timer embedded 8.Independent RGB control output enable circuit embedded 9.Current slope control circuit embedded 10.Voltage/current PWM control type step-up DC/DC converter circuit embedded (oscillatory frequency 1.2 MHz) 11.Low ON resistance switch (0.2Ω TYP.) 12.SW transistor overcurrent protection circuit embedded 13.Voltage reference embedded 14.Stand-by circuit embedded 15.Power-on-reset circuit embedded 16.UVLO circuit embedded 17.Digital soft-start circuit embedded 18.Thermal shutdown circuit embedded 1.Torch ligh...