TPSM82821: Replacement part for Enpirion regulators

Hi,

I ma looking for a replacement for Enpirion regulators EN5339QI and EP53A8LQI. Can anyone suggest any TI replacement for the same.

Technical requirements for each regulator is as below:

1)EN5339QI:

Vin=5V

Vout=3.3V

Iout=3A

2)EP53A8LQI:

Vin=5V

Vout=1.2V

Iout=1A

Thanks!