Step Dimming Guidelines For NCL30081/83 LED Drivers
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The brightness of LEDs. As a demonstration, the soft-ware PWM solution will be applied to control the color output of an change the duty cycles of the three PWM outputs over time. One way to do this is to control the three PWM duty cycles with a three phase sinusoidal profile. This will ... Document Retrieval
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Thermal Considerations for Driving LED Strings with CCRs provides inherent over-voltage protection for the LEDs. In addition to its simplicity, the CCR is also a versatile solution since it can be light output over time. ... Retrieve Here
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In this example, If we choose a supply voltage of, say, 3V then LED 1 is being over-driven, LED 2 draws 300mA, LED 3 draws 250mA and LED very dim. FIG.3: Relationship of light output to LED current will probably cope with this for some time, depending on how well the LEDs are heat ... Get Doc
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