CP2123 Step-Up White-LED Driver Brief

CP2123 Step-Up White-LED Driver Brief

The CP2123 is a step-up DC/DC converter specifically designed for driving white LEDs with a constant current. The device can drive up to 33 white LEDs from a 3.5V power supply or 60 white LEDs from a 10-24V power supply. PWM dimming control is supported to adjust the brightness of white LEDs. The CP.

Features

� Inherently matched LED current � High efficiency: Up to 90% � Over-voltage protection with linear OVP voltage setting � Fast 1.4 MHz switching frequency � Shutdown current: <1μA � SOT23-6L and DFN-8L package � Up to 1MHz PWM Dimming � Drives up to 12 series connected LEDs from a 3.5V power supply � Drives up to 33(11×3) LEDs from a 3.5V power supply � Drives up to 60 LEDs from a 10V power supply � � Applications � Huge screen size mobile phones � Digital still cameras � PDAs, PNDs, MP4 players � Flash or Torch � Pin Configurations SOT23-6L -40℃～85℃ DFN-8L -40℃～85℃ PGND 1 V IN 2 OVP 3 SHDN .