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TPS92692-Q1: PWM dimming frequency

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Part Number:TPS92692-Q1

Hi

I read some similar question on E2E. However I couldn't get the answer what I wanted. So that , please let me ask.

https://e2e.ti.com/support/power_management/led_driver/f/192/t/667924?tisearch=e2e-sitesearch&keymatch=TPS92692

https://e2e.ti.com/support/power_management/led_driver/f/192/p/622086/2292667?tisearch=e2e-sitesearch&keymatch=TPS92692%20dimming#2292667

Our customer are going to use this device at the following conditions;

  Buck-Boost ; Iled=2.5A ; SW Freq = 450kHz ; PWM dim Freq = 20~100kHz

How much is the max duty cycle possible at Fsw=450kHz and Fpwm=100kHz?

As it mentioned at past post on E2E I read, it is recommended between 10Hz ~1000Hz.  Is Fpwm=100kHz possible?

Regards,

Koji Hamamoto


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