Interface 
DPP to control LED brightness
Keywords: LED brightness white LED DPP circuit
[Summary of tips] LEDs require a regulated current, and their brightness is proportional to the current that flows through them. Some LED drivers use an external resistor to set the LED current. A digitally programmable potentiometer (DPP) can replace a discrete resistor with the advantage of providing an adjustable value allowing the LED bright......Please login or register with us to view this article>>
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