MAX8647ETE+T

MAX8647ETE+T is an ultra-efficient charge pumps for six white/ 2 RGB LED with regulated constant current for display backlight and fun light applications. By utilizing an inverting charge pump and extremely low dropout adaptive current regulators, this IC achieves very high efficiency over the full 1-cell Li+ battery voltage range and even with large LED forward voltage mismatch. The 1MHz fixed-frequency switching allows for tiny external components. The regulation scheme is optimized to ensure low EMI and low input ripple. The MAX8647 include thermal shutdown, open and short-circuit protection. Suitable for white LED backlighting, single or dual display, wide-gamut RGB LED display backlighting, camera flash or RGB indicators, cellular phones and smartphones, PDAs, digital cameras, and camcorders applications.

• 24mA to 0.1mA dimming range and I2C interface dimming
• Six adaptive current regulators
• Independent voltage supply for each LED
• Individual LED brightness control
• ±2% accuracy, ±0.4% matching (typ)
• Low 70µA quiescent current
• Low 1µA shutdown current
• Inrush current limit and TA derating function protects LEDs
• 16 pin 3mm x 3mm thin QFN- E P package
• Extended temperature range from -40°C to +85°C

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