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TLC59284: PWM Dimming

Expert 3440 points
Part Number: TLC59284

Hello Team,

I'm working with an engineer that had an interesting question on how to dim their 16-segment LED with the TLC59284 without using external circuitry. 

While the current is typically set by using an external resistor on the IREF pin, is it acceptable to use a PWM signal to the BLANK Pin to dim the LED's?

The engineer noted that this works with a 2kHz PWM signal, however, we wanted to confirm if this is okay and if there are any negative implications?

Thanks,

Javier