The LM3503 is a white LED driver for lighting applications.For dual display backlighting applications, the LM3503 providesa complete solution. The LM3503 contains two internalwhite LED current bypass FET (Field Effect Transistor)switches. The white LED current can be adjusted with a DCvoltage from a digital to analog converter or RC filtered PWM(pulse-width-modulated) signal at the Cntrl pin.
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