What are the max and min switching frequencies for Luxeon?
The maximum and minimum switching frequencies for Luxeon are determined by your drive current. If you are not exceeding the Maximum DC Forward Current, then t here is no minimum frequency. The Luxeon response time is the only restriction for the maximum frequency. If you are not exceeding either the Maximum Peak Pulsed Forward Current nor the Maximum Average Forward Current, then the Maximum Duty Factor of the pulse that is driving the LEDs is limited to 70% for Green/Cyan/Blue/White LEDs and to 65% for Red/Red-Orange/Amber LEDs. The minimum frequency on all Luxeon is limited to 1 kHz at the maximum duty cycles described above. Since at lower frequencies the peak junction temperature is higher than the average max junction temperature, light output and lifetime of the device can be sacrificed. The maximum frequency is only limited by the response time. For more information about how to pulse-drive LEDs please read the application brief, “Custom Luxeon Design Guide”. Be sure to check th
