Datasheet Summary
1X/1.5X/2X Charge Pump White LED Driver for Main and Sub-Displays
Features
- ±1.5% LED Current Matching
- Powers Main and Sub-Display LEDs
- High Efficiency Up to 90% Over Li-ion Battery
Discharge
- Output Current Up to 30mA per LED
- 2.7V to 5.5V Operating Voltage
- 1x/1.5x/2x Charge Pump Modes
- Low Shutdown Current: 2µA Maximum
- Low Input Ripple and EMI
- Internal Soft-Start Limits Inrush Current
- Short Circuit Current Limit
- Thermal Shutdown Protection
- Output Over-Voltage Protection
- 16-pin QFN Package
- Lead Free and Green Devices Available
(RoHS pliant)
Applications
- Cellular Phone White LED Back Light
- Portable Device
- PDA, Handheld puter
- DSC
General...