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Original question:

CDCLVC1104: Power Supply Decoupling circuit on the datasheet

CDCLVC1104: Power Supply Decoupling circuit on the datasheet

Oba
Mastermind 18025 points

Part Number: CDCLVC1104

Hello,

 

Do we have any suggestion of ferrite beads specification that is required in Figure 13 circuit in the datasheet(SCAS895B) ?

 

Regards,

Oba

  • 0
    TI__Mastermind 24205 points
    Hi Oba,

    You can pick any Ferrite Bead with low DC resistance (R) (but not lower than 0.1 ohms) so that the voltage drop across it is kept small. Pick one that has high impedance (Z) at the frequency that is to be filtered and with a small inductive (X) tail. A large inductive tail will distort the filter’s effectiveness, and there is a likelihood of a resonance condition occurring.

    Couple of options are:
    BLM21BD601SN1
    BLM15AG221SN1D