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eli
Guru 13485 points
Other Parts Discussed in Thread: PMP

looking for reference design/recommended solution for 24VAC to 24VDC. The output should support surge current of 20A

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    TI__Genius 13700 points

    Hello Eli,

    The simplest solution would be to use a full bridge diode rectifier with filtering capacitors into a buck converter that is capable of supporting 20A peak load.

    Here is a parametric search that has narrowed down the devices to a smaller list that fits this space.

    http://www.ti.com/lsds/ti/power-management/controller-external-switch-products.page#o7=%20Step-Down%20%28Buck%29%20Controller&p32=1;1&p238max=30;60&p451max=20;20&p1129=Synchronous%20Buck&p1498=Catalog

    Unless you are looking for an isolated solution. Have you tried searching the PMP designs available on the TI website?