LM3699 driver equivalent, high-efficiency white led driver.
*1 Drives Parallel High-Voltage LED Strings for Display or Keypad Lighting
* Boost Converter up to 90% Efficiency
* Four User-Selectable Full-Scale Current Se.
* Power Source for Smart Phone Illumination
* Display or Keypad Illumination
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The LM3699 is a three-string, high-efficiency, PWMcontrolled power source for display backlight or keypad LEDs in smartphone handsets. The highvoltage inductive boost converter with integrated 1-A, 40-V MOSFET provides the power for three series LED .
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