As the LEDs are power LEDs then you have to use constant current control anyway. You will struggle to get constant current PWM to go that fast. Best just to stick to a constant current supply whose current is defined by a voltage.
As the LEDs are power LEDs then you have to use constant current control anyway. You will struggle to get constant current PWM to go that fast. Best just to stick to a constant current supply whose current is defined by a voltage.