Datasheet Summary
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19-3688; Rev 2; 5/06
KIT ATION EVALU E L B A AVAIL
1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN
General Description Features
- Powers Up to 8 LEDs Up to 30mA/LED Drive for Backlight Up to 400mA Total Drive for Flash
- Two Internal Low-Noise 200mA LDOs
- 94% Max/85% Avg Efficiency (PLED/PBATT) over Li+ Battery Discharge
- 0.2% Typical LED Current Matching
- Adaptive 1x/1.5x/2x Mode Switchover
- Flexible Brightness Control Single-Wire Serial Pulse Interface (32 Steps) 2-Bit Logic (Three Levels)
- Thermal TA Derating Function
- Low Input Ripple and EMI
- 2.7V to 5.5V Supply Voltage Range
- Soft-Start, Overvoltage, and Thermal-Shutdown Protection
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