AL3159 PDF File ( Datasheet )

NEW PRODUCT AL3159 HIGH EFFICIENCY 1x, 2x CHARGE PUMP FOR WHITE LED APPLICATIONS Description Pin Assignments The AL3159 is a low noise, constant frequency charge pump DC, DC converter that uses a Dual mode load switch (1x), and (2x) conversion for white LED applications. The AL3159 is capable of driving nine LED channels at 20mA from a 2.7V to 5.5V input. The current sinks may be operated using three simple logic control inputs individually or in parallel for driving higher-current LEDs. Low