4-LEDs Backlight LED Driver for LCD Backlighting
Conception de référence par: Analog Devices
![4-LEDs Backlight LED Driver for LCD Backlighting](/_next/image?url=https%3A%2F%2Fdownload.datasheets.com%2Fpdfs%2F2011%2F8%2F1%2F1%2F22%2F36%2F195%2Fmax_%2Fmanual%2Fan4576_fig.2.jpg&w=1920&q=75)
simplest solution is a Zener diode connected across LEDs. A 16V Zener works fine in this case (four white LEDs drop about 12V), but it must be capable of dissipating power