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Loop Response of TPS54550

Other Parts Discussed in Thread: TPS54550, SWITCHERPRO

I have a question about TPS54550.

Please tell us the data of loop response.

①Vin=12V

   Vout=6.0V

   Iout=4.7A

   Fsw=250kHz

②Vin=12V

   Vout=9.0V

   Iout=3.6A

   Fsw=250kHz

Our customer tries to use Switcher Pro.

But they can not change the frequency.

This frequency is fixed 500kHz

Best regards,

Takahiro Nishizawa