SP6682

The SP6682 is a current regulated charge pump ideal for converting a Li-Ion battery input fordriving white LED used in backlighting color displays. The charge pump automatically switchesbetween X1.5 and X2 modes based on the input voltage, providing improved efficiency overtraditional methods using charge pump doubler followed by LDO. This input voltage thresholdcan be externally programmed for optimized efficiency at specific output voltages and currents.The SP6682 operates with an internal 600kHz clock, enabling the use of small externalcomponents. Output current or voltage can be accurately regulated by modulating the switcherbetween the charge pump and output capacitor. In shutdown mode, the IC disconnects the outputfrom the input and draws less than 1.5A current. The SP6682 is offered in a 10-pin MSOPpackage, and a small 10-Pin DFN Package.