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TPS61193: PWM frequency

Part Number: TPS61193
Other Parts Discussed in Thread: TPS61169, TPS61161A, TPS61165

Hello

I find almost LED backlight driver supported PWM Dimming Frequecy is 100Hz--20KHz ,this range limited by what ?

My customer want to excessive use 130KHz PWM frequency

  • Hi Fandy,
    It is limited by the internal RC filter or internal clock. would you share me why your customer need those high dimming frequency? Our TPS61161A/TPS61165/TPS61169 can support up to 100kHz. Would you can meet your application?
    Regards
    Sean