SP7683 Datasheet (Sipex Corporation) - Four Channel Charge Pump Regulator LED Driver

SP7683, Four Channel Charge Pump Regulator LED Driver

The SP7683 is high efficiency Charge Pump which regulates up to four white LEDs with matching current.

Based on the supply headroom available for the four precision current sinks, SP7683 automatically switches between 1X and 1.5X modes.

The part powers up in 1X mode, with low quiescent current of 70

SP7683 Features

* 2.7V to 5.5V Input Voltage Range

* Up to 4 LEDS with matching currents

* LEDs can be Driven from the Charge Pump Output

* 1X and 1.5X Mode Charge Pump

* High Efficiency Operation

* 1.2 MHz Switching Frequency

* Programable LED Drive Capabliity

* PWM Dimming Control