钰泰半导体 ETA1638D2G 同步LED驱动器芯片

　　FEATURES

　　Synchronous Boost, No Schottky Diode Needed

　　Internal Current Source Driving, no need of external

　　current setting resistor

　　±10% LED Current Accuracy at 1% Diming Ratio

　　Capable of 0.1% dimming ratio

　　Up to 85% Efficiency (6 LEDs)

　　Drive up to 8 LEDs

　　30V Output Over Voltage Protection

　　LED string Short Circuit Protection

　　True PWM Brightness Control

　　1A current limit

　　APPLICATIONS

　　Cellphone and Smartphone

　　MID or Tablet PC

　　Camera

　　Car DVR Recorder