CP2124

Free Datasheet http://www.datasheet4u.com/ Product Brief 2124 CP CP2124 V1.0 DC/DC Series Step-Up White-LED Driver for Mid-size or Large Size Panel with 1-Wire Pulse Counting Dimming Control � General Description The CP2124 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. 1-wire pulse counting dimming control is supported to adjust the brightness of white LEDs. The CP2124 switch at 1.0 MHz, allowing the use of tiny components. 300mV feedback voltage minimizes the power loss in the current setting resistor for better efficiency. The CP2124 is equipped with over-voltage protection function, the OVP pin monitors the output voltage and will turn off the device if an over-voltage condition is present to prevent damage from an open circuit condition. The CP2124 is available in SOT23-6L and DFN-8L package. � Features � � � � � � � � � � � Inherently matched LED current High efficiency: Up to 90% Over-voltage protection with linear OVP voltage setting Fast 1.0 MHz switching frequency Shutdown current: <1μA SOT23-6L and DFN-8L package 1-Wire Pulse Counting 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 SOT23-6L -40℃～85℃ DFN-8L -40℃～85℃ � Applications � � � � Huge screen size mobile phones Digital sti...