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LMZM33603EVM: Recommended Value

Part Number: LMZM33603EVM

Hi, team.

What is the recommended value when using LMZM33603EVM with 24Vin 1.8Vout?

Rfbt: 8.07 kΩ, Rfbb: 10 kΩ are planned, but is Cff unnecessary?

Does Cout need to be increased?

Best Regards,

  • Hi Kobayashi-san

    The datasheet has a recommended component value for Vout < 2.5V in Table 2. Cff is unnecessary and Cout definitely should be increased. In order to accomplish small solution size for a large Cout value you can put 150uF(ceramic) + 470uF(polymer).