MAX8647, MAX8648 Ultra-Efficient Charge Pumps For Six White/RGB LEDs In 3mm X 3mm Thin QFN

The MAX8647 MAX8648 drive up to six white LEDs or two sets of RGB LEDs with regulated constant current for Display backlight and fun light applications. By utilizing an inverting Charge Pump and extremely low-dropout adaptive current Regulators these ICs achieve very high efficiency over the full 1-cell Li+ battery voltage range and even with large 68d 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 MAX8648 include thermal shutdown, open- and short-circuit protection.
The MAX8647 features an IC serial port, while the MAX8648 features a three-wire serial-pulse Logic Interface Both devices support independent on/off and dimming for main and subbacklights. The dimming ranges are pseudo-logarithmic from 24mA to 0.1mA and off in 32 steps. Both devices include a temperature derating function to safely allow bright 24mA full-scale output current setting while automatically reducing current to protect LEDs at high ambient temperatures above +60C.
The MAX8647 MAX8648 are available in a 16-pin, 3mm x 3mm thin QFN package (0.8mm max height).
By Maxim Integrated Products
MAX8648 's PackagesMAX8648 's pdf datasheet

MAX8648 Pinout, Pinouts
MAX8648 pinout,Pin out
This is one package pinout of MAX8648,If you need more pinouts please download MAX8648's pdf datasheet.

MAX8648 Application circuits
MAX8648 circuits
This is one application circuit of MAX8648,If you need more circuits,please download MAX8648's pdf datasheet.

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