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References to design a AD / DC converter to supply a low-power device

Robert Camos Vidal
Intellectual 370 points
Other Parts Discussed in Thread: PMP9053, PMP9044

Hi,

I'm looking for some references, applications notes and schematics to design a power supply for a RF devices.

The main specs for applications are:

Vin: 230V AC single-phase 

Vout: 3.3V DC

Iout<100mA

I have seen that this TI flyback converter is a possible solution:

http://www.ti.com/tool/pmp9053

http://www.ti.com/tool/pmp7146.3

http://www.ti.com/tool/pmp9044

http://www.ti.com/tool/pmp5193.2

Am I on the right way?

Can these solutions operate as a single phase system? Only changing the 3-phases rectifier to a single-phase rectifier? 

Is there a better solution?
Are there other IT solutions?

Thanks!!

Best regards