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Original question:

the led driver of TPS54620

TPS54620: TPS54620 LED control by pwm

Liu Zhongjie
Prodigy 10 points
Part Number: TPS54620

Tool/software:

Dear Sir,

I use this demo sch to  control the laser led, I want to know what frequency of LED_PWM should be used? 1K or 10KHz? thanks.