General Description
The APW7008 is a high efficiency charge pump white LED driver; the device drives up four white LEDs with regulated constant current for uniform intensity. The supply voltage ranges from 2.7V to 5.5V and it is optimized for a Li-ion battery application.

FEATUREs
• ±1.5% LED Current Matching
• High Efficiency Up to 90% Over Li-ion Battery Discharge
• Output Current Up to 30mA per LED
• 2.7V to 5.5V Operating Voltage
• Allow to Turn On or Off a Combination of LEDs
• 1x/1.5x/2x Charge Pump Modes
• Low Shutdown Current: 2mA Maximum
• Low Input Ripple and EMI
• Internal Soft-Start Limits Inrush Current
• Short Circuit Current-Limit
• Thermal Shutdown Protection
• Output Over-Voltage Protection
• 3mmx3mm 16-pin QFN (QFN3X3-16) Package
• Lead Free and Green Devices Available (RoHS Compliant)

APPLICATIONs
• Cellular Phone White LED Back Light
• Portable Device
• PDA and Handheld Computer
• DSC