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UCC28634: 900 - 2000Hz input 3 phase supply

Murali Harikrishnan1
Prodigy 80 points
Part Number: UCC28634

Hi,

We are proposing to use this PSR for an Aux supply on an aircraft which gives a 3 phase frequency at 300V rms PMG

Can the design tool be used to accomadate this range.

The input bulk capacitor cannot be changed in the spread sheet even after enabling editing. 

Thanks

  • 0
    TI__Mastermind 27085 points

    Hi Murali,

    Thanks for reaching out. Yes the calculation tool can be used for 300Vrms input. The excel calculation tool is recommending 2uF/W of nominal output power. If you update cell E12, the recommended input bulk capacitance should update as well.

    Best Regards,

    Ben Lough