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TPSM82902: High output capacitance

Part Number: TPSM82902
Other Parts Discussed in Thread: TPS82130

We have a converter need for 12V -> 1V / 1A at 90C. The TPSM82902 looked like a good option but there is an additional requirement that there is 500uF of ceramic capacitance on the output. 

Can we use the device in this configuration? If not, what are the smallest options that we have?

  • Hi Steve,

    500uF of ceramic capacitance can cause instability on the TPSM82902. Perhaps, the TPS82130 may be able to handle that much output cap though typically it is recommended to have some ESR on that much cap to help dampen the Q-factor of the LC filter.

    Thanks,

    Amod