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LP8863-Q1: Dimming issue

Part Number: LP8863-Q1

Hi,

R&D has some questions regarding the LP8863s LED Driver
Currently R&D is verifying the LED Driver, and we use the I2C register to set the LED Driver,
For the LED Output String, we use 6 Channels with Automatic Phase Shift 60 degree, and the dimming mode is PWM Mode

from the measurements. I got a PWM Frequency result of 2.46kHz (the same as the PWM Setting result of 11k Ohm = 2441Hz)
but I remember when we measured the LP8866S, you said that when using a phase shift of 60 degrees, the PWM Frequency results would be 6x bigger,

So I want to confirm, is there really a difference between LP8866 and LP8863? why on LP8863 the results are not 6x bigger?

Thanks &best regards,