Query regarding ADP1754 LDO inside ADRV9361-Z7035 board

Hello sir,

I have some queries related to ADRV9361-Z7035 eval board schematic, as per the schematic and eval board, ADP1754( U20  ) uses 0.1uF capacitor at the input Vin pin , but as per datasheet, there is a requirement of 4.7 uF or greater capacitor at the same. can you please explain the reason behind this. In similar way at the Vout pin, there are so many capacitors used in parallel, please explain. 

Waiting for your positive response.

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