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Output capacitor of TPS22918

Takahiro Nishizawa
Genius 5575 points
Other Parts Discussed in Thread: TPS22918

We have question about TPS22918.

Please tell us the recommended range of output capacitor value.

Min : --µF?  max : --µF?

Does this IC have the limit about output capacitor value?

Best regards,

Takahiro Nishizawa

  • 0
    TI__Mastermind 32650 points

    Hi Takahiro Nishizawa,

    TI does not spec a max on minimum output capacitance for this device. It is application specific. The only thing to really consider is that if you are directly connecting the QOD pin to the output then you are limited to having a C_L of 200uF.

    Any output capacitance will result in inrush current. TI does recommend using an input capacitance and using the configurable rise time feature to counter this.

    C_L will also affect your QOD timing. 

    Thank you for choosing TI Power Switches in your designs.